---
title: "CVE-2026-89628\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-2026-89628?format=md
keywords: index, follow
---

# CVE-2026-89628

Publication date 14 September 2026

Last updated 14 September 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

In the Linux kernel, the following vulnerability has been resolved:
HID: picolcd: clamp eeprom debugfs read to bytes actually received
picolcd\_debug\_eeprom\_read() trusts resp->raw\_data[2] -- a length byte
supplied by the device in its REPORT\_EE\_DATA reply -- clamped only to
the caller's read() count:
ret = resp->raw\_data[2];
if (ret > s)
ret = s;
if (copy\_to\_user(u, resp->raw\_data+3, ret))
It never checks resp->raw\_size, the number of bytes picolcd\_raw\_event()
actually copied into the 64-byte raw\_data[] of the kmalloc'd struct
picolcd\_pending. A device (or a spoofed picoLCD) returning a length byte
of 0xff, read with a count >= 255, makes copy\_to\_user() read past
raw\_data[] into adjacent slab memory and return it to userspace through
the debugfs "eeprom" file:
BUG: KASAN: slab-out-of-bounds in \_copy\_to\_user
Read of size 255 ... picolcd\_debug\_eeprom\_read+0x214/0x2f0 [hid\_picolcd]
The debug-dump path in the same file already validates the device length
byte against the received size before trusting it; this read does not.
The file is created S\_IRUSR (root-only) and a crafted device is needed,
so it is neither unprivileged- nor remotely-triggerable.
Clamp the copy length to resp->raw\_size - 3 (the payload actually
received, minus the 3-byte header), floored at 0 for short replies.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| linux | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Needs evaluation |
| linux-hwe | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored replaced by linux-hwe-5.4 |
| 16.04 LTS xenial | Needs evaluation |
| linux-hwe-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-hwe-5.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-hwe-5.11 |
| linux-hwe-5.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-hwe-5.13 |
| linux-hwe-5.13 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-hwe-5.15 |
| linux-hwe-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-hwe-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.2 |
| linux-hwe-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.5 |
| linux-hwe-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-hwe-6.8 |
| linux-hwe-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-hwe-6.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-hwe-6.14 |
| 22.04 LTS jammy | Not in release |
| linux-hwe-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-hwe-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-hwe-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-hwe-edge | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-hwe-5.4 |
| 16.04 LTS xenial | Ignored superseded by linux-hwe |
| linux-lts-xenial | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 14.04 LTS trusty | Needs evaluation |
| linux-kvm | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| linux-allwinner-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| linux-aws | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Needs evaluation |
| linux-aws-5.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-aws-5.3 |
| linux-aws-5.3 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-aws-5.4 |
| linux-aws-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-aws-5.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-aws-5.11 |
| linux-aws-5.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-aws-5.13 |
| linux-aws-5.13 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-aws-5.15 |
| linux-aws-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-aws-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.2 |
| linux-aws-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.5 |
| linux-aws-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-aws-6.8 |
| linux-aws-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-aws-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-aws-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-aws-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-aws-hwe | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 16.04 LTS xenial | Needs evaluation |
| linux-azure | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Ignored superseded by linux-azure-5.3 |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Needs evaluation |
| linux-azure-4.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-azure-5.3 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-azure-5.4 |
| linux-azure-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-azure-5.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-azure-5.11 |
| linux-azure-5.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-azure-5.13 |
| linux-azure-5.13 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-azure-5.15 |
| linux-azure-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-azure-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.2 |
| linux-azure-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.5 |
| linux-azure-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-6.8 |
| linux-azure-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-azure-6.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-azure-6.14 |
| 22.04 LTS jammy | Not in release |
| linux-azure-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-fde | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Ignored superseded by linux-azure-fde-5.15 |
| linux-azure-fde-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-azure-fde-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-azure-fde-6.2 |
| linux-azure-fde-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored replaced by linux-azure-6.5 |
| linux-azure-fde-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-azure-fde-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-fde-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-fde-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-nvidia | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-azure-nvidia-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-bluefield | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-azure-edge | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-azure-5.3 |
| linux-fips | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal  FIPS | Needs evaluation |
| 18.04 LTS bionic  FIPS | Needs evaluation |
| 16.04 LTS xenial  FIPS | Needs evaluation |
| linux-aws-fips | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal  FIPS | Needs evaluation |
| 18.04 LTS bionic  FIPS | Needs evaluation |
| linux-azure-fips | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal  FIPS | Needs evaluation |
| 18.04 LTS bionic  FIPS | Needs evaluation |
| linux-gcp-fips | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal  FIPS | Needs evaluation |
| 18.04 LTS bionic  FIPS | Needs evaluation |
| linux-gcp | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Ignored superseded by linux-gcp-5.3 |
| 16.04 LTS xenial | Needs evaluation |
| linux-gcp-4.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-gcp-5.3 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-gcp-5.4 |
| linux-gcp-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-gcp-5.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-gcp-5.11 |
| linux-gcp-5.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-gcp-5.13 |
| linux-gcp-5.13 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-gcp-5.15 |
| linux-gcp-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-gcp-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.2 |
| linux-gcp-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.5 |
| linux-gcp-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-gcp-6.8 |
| linux-gcp-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-gcp-6.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-gcp-6.14 |
| 22.04 LTS jammy | Not in release |
| linux-gcp-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-gcp-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-gcp-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-gke | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Ignored end of kernel support |
| linux-gke-4.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-gke-5.0 |
| linux-gke-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored end of kernel support |
| linux-gke-5.15 | 26.04 LTS resolute | 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 |
| linux-gkeop | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Ignored end of kernel support |
| linux-gkeop-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored end of kernel support |
| linux-gkeop-5.15 | 26.04 LTS resolute | 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 |
| linux-ibm | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| linux-ibm-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-ibm-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-ibm-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-intel-5.13 | 26.04 LTS resolute | 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 |
| linux-intel-iotg | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-intel-iotg-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-iot | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-intel-iot-realtime | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy  Real-time | Needs evaluation |
| linux-lowlatency | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| linux-lowlatency-hwe-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-lowlatency-hwe-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.2 |
| linux-lowlatency-hwe-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.5 |
| linux-lowlatency-hwe-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.8 |
| linux-lowlatency-hwe-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-lowlatency-hwe-6.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored replaced by linux-hwe-6.14 |
| 22.04 LTS jammy | Not in release |
| linux-nvidia | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| linux-nvidia-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-nvidia-6.5 |
| linux-nvidia-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-nvidia-6.8 |
| linux-nvidia-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-nvidia-6.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored end of kernel support |
| 22.04 LTS jammy | Not in release |
| linux-nvidia-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-nvidia-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-nvidia-bos | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| linux-nvidia-lowlatency | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-nvidia-tegra | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| linux-nvidia-tegra-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-nvidia-tegra-igx | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-oracle | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| linux-oracle-5.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-oracle-5.3 |
| linux-oracle-5.3 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored superseded by linux-oracle-5.4 |
| linux-oracle-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-oracle-5.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-oracle-5.11 |
| linux-oracle-5.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-oracle-5.13 |
| linux-oracle-5.13 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-oracle-5.15 |
| linux-oracle-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-oracle-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oracle-6.8 |
| linux-oracle-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-oracle-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-oracle-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-oracle-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-oem | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Ignored replaced by linux-hwe-5.4 |
| linux-oem-5.6 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-oem-5.10 |
| linux-oem-5.10 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-oem-5.13 |
| linux-oem-5.13 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-oem-5.14 |
| linux-oem-5.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored replaced by linux-hwe-5.15 |
| linux-oem-5.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 |
| linux-oem-6.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 |
| linux-oem-6.1 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.5 |
| linux-oem-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-oem-6.8 |
| linux-oem-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-oem-6.14 |
| 22.04 LTS jammy | Not in release |
| linux-oem-6.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-oem-6.14 |
| 22.04 LTS jammy | Not in release |
| linux-oem-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-oem-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-oem-7.0 | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| linux-raspi | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| linux-raspi2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored replaced by linux-raspi |
| linux-raspi-5.4 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 18.04 LTS bionic | Needs evaluation |
| linux-raspi-realtime | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble  Real-time | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-realtime | 26.04 LTS resolute | Needs evaluation |
| 24.04 LTS noble  Real-time | Needs evaluation |
| 22.04 LTS jammy  Real-time | Needs evaluation |
| linux-realtime-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| linux-realtime-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| linux-riscv | 26.04 LTS resolute | Needs evaluation |
| 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 superseded by linux-riscv-5.8 |
| linux-riscv-5.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-riscv-5.11 |
| linux-riscv-5.11 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Ignored superseded by linux-riscv-5.13 |
| linux-riscv-5.15 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Needs evaluation |
| linux-riscv-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| linux-riscv-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-riscv-6.8 |
| linux-riscv-6.8 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| linux-riscv-6.14 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Ignored superseded by linux-riscv-6.17 |
| 22.04 LTS jammy | Not in release |
| linux-riscv-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-riscv-7.0 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-starfive-5.19 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| linux-starfive-6.2 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored superseded by linux-starfive-6.5 |
| linux-starfive-6.5 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Ignored end of kernel support |
| linux-xilinx | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Not in release |
| linux-xilinx-zynqmp | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| linux-realtime-6.17 | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release |
| 22.04 LTS jammy | 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-2026-89628?format=md#patch-details)

### 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   [9bbf2b9](https://git.kernel.org/linus/9bbf2b98ba11d00bd73e3254e15cfe17ccaff6ba),   fixed by   [e9c6673](https://git.kernel.org/linus/e9c667395ac1f8024f623250b32bae4c7af9caa0) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-89628)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2026-89628)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2026-89628)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2026-89628)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2026-89628>
* <https://git.kernel.org/linus/e9c667395ac1f8024f623250b32bae4c7af9caa0 (7.3-rc1)>
* <https://git.kernel.org/stable/c/471f4a939c66d1d44aece2321807abf609fc9098>
* <https://git.kernel.org/stable/c/699a3c8b56e168ca19d12722f3f5ef1d6f4b1d84>
* <https://git.kernel.org/stable/c/a3e6e8d7198a9f3861861520a38b673684a1062b>
* <https://git.kernel.org/stable/c/e9c667395ac1f8024f623250b32bae4c7af9caa0>
