---
title: "CVE-2025-40243\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2025-40243?format=md
keywords: index, follow
---

# CVE-2025-40243

Publication date 4 December 2025

Last updated 7 September 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/CVE-2025-40243?format=md#priority-reason )

## Cvss 3 Severity Score

**7.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2025-40243?format=md#impact-score)

Toggle side navigation

## Description

In the Linux kernel, the following vulnerability has been resolved:
hfs: fix KMSAN uninit-value issue in hfs\_find\_set\_zero\_bits()
The syzbot reported issue in hfs\_find\_set\_zero\_bits():
=====================================================
BUG: KMSAN: uninit-value in hfs\_find\_set\_zero\_bits+0x74d/0xb60
fs/hfs/bitmap.c:45
hfs\_find\_set\_zero\_bits+0x74d/0xb60 fs/hfs/bitmap.c:45
hfs\_vbm\_search\_free+0x13c/0x5b0 fs/hfs/bitmap.c:151
hfs\_extend\_file+0x6a5/0x1b00 fs/hfs/extent.c:408
hfs\_get\_block+0x435/0x1150 fs/hfs/extent.c:353
\_\_block\_write\_begin\_int+0xa76/0x3030 fs/buffer.c:2151
block\_write\_begin fs/buffer.c:2262 [inline]
cont\_write\_begin+0x10e1/0x1bc0 fs/buffer.c:2601
hfs\_write\_begin+0x85/0x130 fs/hfs/inode.c:52
cont\_expand\_zero fs/buffer.c:2528 [inline]
cont\_write\_begin+0x35a/0x1bc0 fs/buffer.c:2591
hfs\_write\_begin+0x85/0x130 fs/hfs/inode.c:52
hfs\_file\_truncate+0x1d6/0xe60 fs/hfs/extent.c:494
hfs\_inode\_setattr+0x964/0xaa0 fs/hfs/inode.c:654
notify\_change+0x1993/0x1aa0 fs/attr.c:552
do\_truncate+0x28f/0x310 fs/open.c:68
do\_ftruncate+0x698/0x730 fs/open.c:195
do\_sys\_ftruncate fs/open.c:210 [inline]
\_\_do\_sys\_ftruncate fs/open.c:215 [inline]
\_\_se\_sys\_ftruncate fs/open.c:213 [inline]
\_\_x64\_sys\_ftruncate+0x11b/0x250 fs/open.c:213
x64\_sys\_call+0xfe3/0x3db0 arch/x86/include/generated/asm/syscalls\_64.h:78
do\_syscall\_x64 arch/x86/entry/syscall\_64.c:63 [inline]
do\_syscall\_64+0xd9/0x210 arch/x86/entry/syscall\_64.c:94
entry\_SYSCALL\_64\_after\_hwframe+0x77/0x7f
Uninit was created at:
slab\_post\_alloc\_hook mm/slub.c:4154 [inline]
slab\_alloc\_node mm/slub.c:4197 [inline]
\_\_kmalloc\_cache\_noprof+0x7f7/0xed0 mm/slub.c:4354
kmalloc\_noprof include/linux/slab.h:905 [inline]
hfs\_mdb\_get+0x1cc8/0x2a90 fs/hfs/mdb.c:175
hfs\_fill\_super+0x3d0/0xb80 fs/hfs/super.c:337
get\_tree\_bdev\_flags+0x6e3/0x920 fs/super.c:1681
get\_tree\_bdev+0x38/0x50 fs/super.c:1704
hfs\_get\_tree+0x35/0x40 fs/hfs/super.c:388
vfs\_get\_tree+0xb0/0x5c0 fs/super.c:1804
do\_new\_mount+0x738/0x1610 fs/namespace.c:3902
path\_mount+0x6db/0x1e90 fs/namespace.c:4226
do\_mount fs/namespace.c:4239 [inline]
\_\_do\_sys\_mount fs/namespace.c:4450 [inline]
\_\_se\_sys\_mount+0x6eb/0x7d0 fs/namespace.c:4427
\_\_x64\_sys\_mount+0xe4/0x150 fs/namespace.c:4427
x64\_sys\_call+0xfa7/0x3db0 arch/x86/include/generated/asm/syscalls\_64.h:166
do\_syscall\_x64 arch/x86/entry/syscall\_64.c:63 [inline]
do\_syscall\_64+0xd9/0x210 arch/x86/entry/syscall\_64.c:94
entry\_SYSCALL\_64\_after\_hwframe+0x77/0x7f
CPU: 1 UID: 0 PID: 12609 Comm: syz.1.2692 Not tainted 6.16.0-syzkaller #0
PREEMPT(none)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 07/12/2025
=====================================================
The HFS\_SB(sb)->bitmap buffer is allocated in hfs\_mdb\_get():
HFS\_SB(sb)->bitmap = kmalloc(8192, GFP\_KERNEL);
Finally, it can trigger the reported issue because kmalloc()
doesn't clear the allocated memory. If allocated memory contains
only zeros, then everything will work pretty fine.
But if the allocated memory contains the "garbage", then
it can affect the bitmap operations and it triggers
the reported issue.
This patch simply exchanges the kmalloc() on kzalloc()
with the goal to guarantee the correctness of bitmap operations.
Because, newly created allocation bitmap should have all
available blocks free. Potentially, initialization bitmap's read
operation could not fill the whole allocated memory and
"garbage" in the not initialized memory will be the reason of
volume coruptions and file system driver bugs.

### Why is this CVE medium priority?

See ubuntu cvss score

[Learn more about Ubuntu priority](https://ubuntu.com/security/cves/about#priority)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-14.14 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-106.106 |
| 22.04 LTS jammy | Fixed 5.15.0-170.180 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Ignored end of standard support, was needed |
| linux-hwe | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-170.180~20.04.3  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-106.106~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lts-xenial | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Ignored end of standard support, was needed |
| linux-kvm | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 5.15.0-1092.97 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Not in release |
| linux-aws | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-1007.7 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-1050.53 |
| 22.04 LTS jammy | Fixed 5.15.0-1100.107 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Ignored end of standard support, was needed |
| linux-aws-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1100.107~20.04.2  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-1050.53~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-hwe | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Not in release |
| linux-azure | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-1008.8 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-1051.57 |
| 22.04 LTS jammy | Fixed 5.15.0-1109.118 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Ignored end of standard support, was needed |
| linux-azure-4.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1110.119~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-1051.57~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde | 26.04 LTS resolute | Not affected |
| 25.10 questing | Ignored end of life, was needed |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Vulnerable |
| 22.04 LTS jammy | Vulnerable |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not affected |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-nvidia | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Vulnerable, work in progress |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-nvidia-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-bluefield | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-fips | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble  FIPS Updates | Fixed 6.8.0-106.106+fips1 |
| 22.04 LTS jammy  FIPS Updates | Fixed 5.15.0-170.180+fips1 |
| 20.04 LTS focal  FIPS | Vulnerable |
| 18.04 LTS bionic  FIPS | Vulnerable |
| 16.04 LTS xenial  FIPS | Vulnerable |
| 14.04 LTS trusty | Not in release |
| linux-aws-fips | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble  FIPS Updates | Fixed 6.8.0-1050.53+fips1 |
| 22.04 LTS jammy  FIPS Updates | Fixed 5.15.0-1100.107+fips1 |
| 20.04 LTS focal  FIPS | Vulnerable |
| 18.04 LTS bionic  FIPS | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fips | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble  FIPS Updates | Fixed 6.8.0-1052.58+fips1 |
| 22.04 LTS jammy  FIPS Updates | Fixed 5.15.0-1109.118+fips1 |
| 20.04 LTS focal  FIPS | Vulnerable |
| 18.04 LTS bionic  FIPS | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-fips | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble  FIPS Updates | Fixed 6.8.0-1052.55+fips1 |
| 22.04 LTS jammy  FIPS Updates | Fixed 5.15.0-1100.109+fips1 |
| 20.04 LTS focal  FIPS | Vulnerable |
| 18.04 LTS bionic  FIPS | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-1007.7 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-1052.55 |
| 22.04 LTS jammy | Fixed 5.15.0-1100.109 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Not in release |
| linux-gcp-4.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1100.109~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-1052.55~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-1048.53 |
| 22.04 LTS jammy | Fixed 5.15.0-1096.102 |
| 20.04 LTS focal | Ignored end of kernel support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-gkeop | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-1035.38 |
| 22.04 LTS jammy | Fixed 5.15.0-1083.91 |
| 20.04 LTS focal | Ignored end of kernel support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gkeop-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of kernel support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-ibm | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-1049.49 |
| 22.04 LTS jammy | Fixed 5.15.0-1094.97 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-ibm-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-ibm-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1094.97~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-ibm-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-1049.49~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-iotg | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 5.15.0-1095.101 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-iotg-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1095.101~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-iot | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-intel-iot-realtime | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy  Real-time | Fixed 5.15.0-1092.94 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-106.106.1 |
| 22.04 LTS jammy | Fixed 5.15.0-170.180 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency-hwe-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-170.180~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency-hwe-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-106.106.1~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-1049.52 |
| 22.04 LTS jammy | Fixed 5.15.0-1095.96 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-1049.52~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-lowlatency | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-1049.52.1 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-tegra | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.8.0-1020.20 |
| 22.04 LTS jammy | Fixed 5.15.0-1052.52 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-tegra-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1052.52~20.04.2  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-tegra-igx | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 5.15.0-1041.41 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-1007.7 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-1047.48 |
| 22.04 LTS jammy | Fixed 5.15.0-1097.103 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Vulnerable |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1097.103~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-1047.48~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-1008.8 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-1050.54 |
| 22.04 LTS jammy | Fixed 5.15.0-1097.100 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Vulnerable |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi-realtime | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble  Real-time | Fixed 6.8.0-2040.41 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-realtime | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-1006.7 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble  Real-time | Fixed 6.8.1-1045.46 |
| 22.04 LTS jammy  Real-time | Fixed 5.15.0-1099.108 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-realtime-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy  Real-time | Fixed 6.8.1-1045.46~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-realtime-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble  Real-time | Ignored end of life, was needed |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv | 26.04 LTS resolute | Not affected |
| 25.10 questing | Fixed 6.17.0-14.14.1 |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Ignored replaced by linux-riscv-6.14 |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Fixed 5.15.0-1095.99~20.04.1  Ubuntu Pro |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 6.8.0-106.106~22.04.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-6.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-riscv-6.17, was needs-triage |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-xilinx | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Fixed 6.8.0-1028.29 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-xilinx-zynqmp | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Fixed 5.15.0-1064.68 |
| 20.04 LTS focal | Vulnerable |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Fixed 6.17.0-1011.11 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Vulnerable |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Fixed 6.17.0-1007.7~24.04.1 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Fixed 6.17.0-1008.8~24.04.1 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Fixed 6.17.0-1007.7~24.04.1 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-realtime-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble  Real-time | Fixed 6.17.0-1006.7~24.04.1 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-6.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Fixed 6.17.0-1008.8 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-bos | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-bos-7.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-7.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-7.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-7.0 | 26.04 LTS resolute | Not affected |
| 25.10 questing | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not affected |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-allwinner-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.2 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.3 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-5.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-aws-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.2 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.3 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-5.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-6.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-azure-6.14 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-edge | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-fde-6.2 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-azure-fde-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored replaced by linux-azure-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.2 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.3 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-5.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-6.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-gcp-6.14 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gcp-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke-4.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke-5.15 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of kernel support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gke-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-gkeop-5.4 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.2 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-5.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-6.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-hwe-6.14 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-hwe-edge | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-intel-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of kernel support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency-hwe-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.2 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency-hwe-6.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored replaced by linux-hwe-6.14 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency-hwe-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-lowlatency-hwe-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-6.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored end of kernel support |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-nvidia-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-nvidia-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-nvidia-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.10 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.14 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.17 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-5.6 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.1 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-oem-6.14 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oem-6.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-oem-6.14 |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.0 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.13 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.3 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-5.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-oracle-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oracle-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-raspi2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Ignored end of standard support |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Not in release |
| linux-riscv-5.11 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-5.8 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored end of standard support |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-riscv-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-riscv-6.8 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-starfive-5.19 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-starfive-6.2 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-starfive-6.5 |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| linux-starfive-6.5 | 26.04 LTS resolute | Not in release |
| 25.10 questing | Not in release |
| 25.04 plucky | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2025-40243?format=md#patch-details)

### Get expanded security coverage with Ubuntu Pro

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### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| linux | * Introduced by   [1da177e](https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2),   fixed by   [2048ec5](https://git.kernel.org/linus/2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd) |

## Severity score breakdown

CVSS version:

CVSS v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2025-40243?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2025-40243?format=md)

**Base score**

5.3 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | None |
  | User interaction | Passive |
  | Vulnerable system - Confidentiality impact | None |
  | Vulnerable system - Integrity impact | Low |
  | Vulnerable system - Availability impact | Low |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.3 · Medium |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**Vector:** CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-40243)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-40243)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-40243)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-40243)

### Related Ubuntu Security Notices (USN)

+ [USN-8029-1](https://usn.ubuntu.com/USN-8029-1)
+ Linux kernel vulnerabilities
+ 12 February 2026

+ [USN-8030-1](https://usn.ubuntu.com/USN-8030-1)
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+ [USN-8095-2](https://usn.ubuntu.com/USN-8095-2)
+ Linux kernel (FIPS) vulnerabilities
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+ [USN-8095-3](https://usn.ubuntu.com/USN-8095-3)
+ Linux kernel (Real-time) vulnerabilities
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+ [USN-8095-4](https://usn.ubuntu.com/USN-8095-4)
+ Linux kernel (AWS) vulnerabilities
+ 23 March 2026

+ [USN-8125-1](https://usn.ubuntu.com/USN-8125-1)
+ Linux kernel (Azure) vulnerabilities
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+ [USN-8126-1](https://usn.ubuntu.com/USN-8126-1)
+ Linux kernel (Azure) vulnerabilities
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+ [USN-8095-5](https://usn.ubuntu.com/USN-8095-5)
+ Linux kernel (Raspberry Pi) vulnerabilities
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+ [USN-8141-1](https://usn.ubuntu.com/USN-8141-1)
+ Linux kernel (Raspberry Pi) vulnerabilities
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+ [USN-8163-1](https://usn.ubuntu.com/USN-8163-1)
+ Linux kernel (Azure FIPS) vulnerabilities
+ 9 April 2026

+ [USN-8165-1](https://usn.ubuntu.com/USN-8165-1)
+ Linux kernel (Azure FIPS) vulnerabilities
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+ [USN-8163-2](https://usn.ubuntu.com/USN-8163-2)
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+ [USN-8243-1](https://usn.ubuntu.com/USN-8243-1)
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+ [USN-8261-1](https://usn.ubuntu.com/USN-8261-1)
+ Linux kernel (Xilinx) vulnerabilities
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### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-40243>
* <https://git.kernel.org/linus/2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd (6.18-rc1)>
* <https://git.kernel.org/stable/c/2048ec5b98dbdfe0b929d2e42dc7a54c389c53dd>
* <https://git.kernel.org/stable/c/2a112cdd66f5a132da5235ca31a320528c86bf33>
* <https://git.kernel.org/stable/c/3b447fd401824e1ccf0b769188edefe866a1e676>
* <https://git.kernel.org/stable/c/502fa92a71f344611101bd04ef1a595b8b6014f5>
* <https://git.kernel.org/stable/c/bf1683078fbdd09a7f7f9b74121ebaa03432bd00>
* <https://git.kernel.org/stable/c/cfafefcb0e1fc60135f7040f4aed0a4aef4f76ca>
* <https://git.kernel.org/stable/c/e148ed5cda8fd96d4620c4622fb02f552a2d166a>
* <https://git.kernel.org/stable/c/fc56548fca732f3d3692c83b40db796259a03887>
