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CVE-2023-52446

Published: 22 February 2024

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a race condition between btf_put() and map_free() When running `./test_progs -j` in my local vm with latest kernel, I once hit a kasan error like below: [ 1887.184724] BUG: KASAN: slab-use-after-free in bpf_rb_root_free+0x1f8/0x2b0 [ 1887.185599] Read of size 4 at addr ffff888106806910 by task kworker/u12:2/2830 [ 1887.186498] [ 1887.186712] CPU: 3 PID: 2830 Comm: kworker/u12:2 Tainted: G OEL 6.7.0-rc3-00699-g90679706d486-dirty #494 [ 1887.188034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 1887.189618] Workqueue: events_unbound bpf_map_free_deferred [ 1887.190341] Call Trace: [ 1887.190666] <TASK> [ 1887.190949] dump_stack_lvl+0xac/0xe0 [ 1887.191423] ? nf_tcp_handle_invalid+0x1b0/0x1b0 [ 1887.192019] ? panic+0x3c0/0x3c0 [ 1887.192449] print_report+0x14f/0x720 [ 1887.192930] ? preempt_count_sub+0x1c/0xd0 [ 1887.193459] ? __virt_addr_valid+0xac/0x120 [ 1887.194004] ? bpf_rb_root_free+0x1f8/0x2b0 [ 1887.194572] kasan_report+0xc3/0x100 [ 1887.195085] ? bpf_rb_root_free+0x1f8/0x2b0 [ 1887.195668] bpf_rb_root_free+0x1f8/0x2b0 [ 1887.196183] ? __bpf_obj_drop_impl+0xb0/0xb0 [ 1887.196736] ? preempt_count_sub+0x1c/0xd0 [ 1887.197270] ? preempt_count_sub+0x1c/0xd0 [ 1887.197802] ? _raw_spin_unlock+0x1f/0x40 [ 1887.198319] bpf_obj_free_fields+0x1d4/0x260 [ 1887.198883] array_map_free+0x1a3/0x260 [ 1887.199380] bpf_map_free_deferred+0x7b/0xe0 [ 1887.199943] process_scheduled_works+0x3a2/0x6c0 [ 1887.200549] worker_thread+0x633/0x890 [ 1887.201047] ? __kthread_parkme+0xd7/0xf0 [ 1887.201574] ? kthread+0x102/0x1d0 [ 1887.202020] kthread+0x1ab/0x1d0 [ 1887.202447] ? pr_cont_work+0x270/0x270 [ 1887.202954] ? kthread_blkcg+0x50/0x50 [ 1887.203444] ret_from_fork+0x34/0x50 [ 1887.203914] ? kthread_blkcg+0x50/0x50 [ 1887.204397] ret_from_fork_asm+0x11/0x20 [ 1887.204913] </TASK> [ 1887.204913] </TASK> [ 1887.205209] [ 1887.205416] Allocated by task 2197: [ 1887.205881] kasan_set_track+0x3f/0x60 [ 1887.206366] __kasan_kmalloc+0x6e/0x80 [ 1887.206856] __kmalloc+0xac/0x1a0 [ 1887.207293] btf_parse_fields+0xa15/0x1480 [ 1887.207836] btf_parse_struct_metas+0x566/0x670 [ 1887.208387] btf_new_fd+0x294/0x4d0 [ 1887.208851] __sys_bpf+0x4ba/0x600 [ 1887.209292] __x64_sys_bpf+0x41/0x50 [ 1887.209762] do_syscall_64+0x4c/0xf0 [ 1887.210222] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 1887.210868] [ 1887.211074] Freed by task 36: [ 1887.211460] kasan_set_track+0x3f/0x60 [ 1887.211951] kasan_save_free_info+0x28/0x40 [ 1887.212485] ____kasan_slab_free+0x101/0x180 [ 1887.213027] __kmem_cache_free+0xe4/0x210 [ 1887.213514] btf_free+0x5b/0x130 [ 1887.213918] rcu_core+0x638/0xcc0 [ 1887.214347] __do_softirq+0x114/0x37e The error happens at bpf_rb_root_free+0x1f8/0x2b0: 00000000000034c0 <bpf_rb_root_free>: ; { 34c0: f3 0f 1e fa endbr64 34c4: e8 00 00 00 00 callq 0x34c9 <bpf_rb_root_free+0x9> 34c9: 55 pushq %rbp 34ca: 48 89 e5 movq %rsp, %rbp ... ; if (rec && rec->refcount_off >= 0 && 36aa: 4d 85 ed testq %r13, %r13 36ad: 74 a9 je 0x3658 <bpf_rb_root_free+0x198> 36af: 49 8d 7d 10 leaq 0x10(%r13), %rdi 36b3: e8 00 00 00 00 callq 0x36b8 <bpf_rb_root_free+0x1f8> <==== kasan function 36b8: 45 8b 7d 10 movl 0x10(%r13), %r15d <==== use-after-free load 36bc: 45 85 ff testl %r15d, %r15d 36bf: 78 8c js 0x364d <bpf_rb_root_free+0x18d> So the problem ---truncated---

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Needed

jammy Needed

mantic Needed

trusty Ignored
(ESM criteria, was needed)
upstream Needed

xenial Ignored
(ESM criteria, was needed)
Patches:
Introduced by

958cf2e273f0929c66169e0788031310e8118722

Fixed by 59e5791f59dd83e8aa72a4e74217eabb6e8cfd90
linux-allwinner-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(end of kernel support)
mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-aws
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Needed

jammy Needed

mantic Needed

trusty Ignored
(ESM criteria, was needed)
upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.3)
xenial Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.13)
xenial Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.15)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.15)
xenial Does not exist

linux-aws-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-aws-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-aws-6.2)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-6.2)
xenial Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.4)
xenial Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-aws-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-aws-5.11)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-5.11)
xenial Does not exist

linux-aws-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-aws-6.5, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-aws-6.5, was needs-triage)
xenial Does not exist

linux-aws-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Needed

jammy Needed

mantic Needed

trusty Ignored
(ESM criteria, was needed)
upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.13)
xenial Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.15)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.15)
xenial Does not exist

linux-azure-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-azure-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-azure-6.2)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-6.2)
xenial Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.4)
xenial Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-azure-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-5.11)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.11)
xenial Does not exist

linux-azure-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-azure-6.5, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-6.5, was needs-triage)
xenial Does not exist

linux-azure-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-5.3)
xenial Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-azure-fde-5.15)
jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-azure-fde-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-azure-fde-6.2)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-azure-fde-6.2)
xenial Does not exist

linux-azure-fde-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(replaced by linux-azure-6.5, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Ignored
(replaced by linux-azure-6.5, was needs-triage)
xenial Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-fips
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Ignored
(end of standard support)
upstream Needed

xenial Ignored
(end of standard support)
linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.3)
focal Needed

jammy Needed

mantic Needed

trusty Does not exist

upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-gcp-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.13)
xenial Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.15)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.15)
xenial Does not exist

linux-gcp-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-gcp-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-gcp-6.2)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-6.2, was needs-triage)
xenial Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.4)
xenial Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.11)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-5.11)
xenial Does not exist

linux-gcp-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-gcp-6.5, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gcp-6.5, was needs-triage)
xenial Does not exist

linux-gcp-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(end of kernel support)
jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Ignored
(end of standard support)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.0)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gke-5.0)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.3)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gke-5.3)
xenial Does not exist

linux-gke-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(end of kernel support)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-gke-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-gke-5.4)
xenial Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(end of kernel support)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-gkeop-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(end of kernel support)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-hwe-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-5.13)
xenial Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.15)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-5.15)
xenial Does not exist

linux-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-hwe-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-hwe-6.2)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-6.2)
xenial Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-hwe-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.11)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-5.11)
xenial Does not exist

linux-hwe-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-hwe-6.5)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-hwe-6.5)
xenial Does not exist

linux-hwe-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Ignored
(superseded by linux-hwe)
linux-ibm
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

mantic Ignored
(end of kernel support)
trusty Does not exist

upstream Needed

xenial Does not exist

linux-ibm-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-ibm-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(end of kernel support)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-intel-iotg
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-iot
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Needed

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-laptop
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Needed

trusty Does not exist

upstream Needed

xenial Does not exist

linux-lowlatency
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Needed

trusty Does not exist

upstream Needed

xenial Does not exist

linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-lowlatency-hwe-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-lowlatency-hwe-6.2)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-lowlatency-hwe-6.2)
xenial Does not exist

linux-lowlatency-hwe-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-lowlatency-hwe-6.5)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-lowlatency-hwe-6.5)
xenial Does not exist

linux-lowlatency-hwe-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Ignored
(ESM criteria, was needed)
upstream Needed

xenial Does not exist

linux-nvidia
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-nvidia-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-nvidia-6.5, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-nvidia-6.5, was needs-triage)
xenial Does not exist

linux-nvidia-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Ignored
(end of standard support)
linux-oem-5.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oem-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-5.13)
xenial Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oem-5.14)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-5.14)
xenial Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(replaced by linux-hwe-5.15)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(replaced by linux-hwe-5.15)
xenial Does not exist

linux-oem-5.17
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-oem-6.1)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-6.1)
xenial Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oem-5.10)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-5.10)
xenial Does not exist

linux-oem-6.0
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-oem-6.1)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-6.1)
xenial Does not exist

linux-oem-6.1
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-oem-6.5, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oem-6.5, was needed)
xenial Does not exist

linux-oem-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Needed

jammy Needed

mantic Needed

trusty Does not exist

upstream Needed

xenial Ignored
(ESM criteria, was needed)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.3)
xenial Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.13)
xenial Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.15)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.15)
xenial Does not exist

linux-oracle-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.4)
xenial Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.11)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-oracle-5.11)
xenial Does not exist

linux-oracle-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

mantic Needed

trusty Does not exist

upstream Needed

xenial Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
bionic Ignored
(ESM criteria, was needed)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
focal Ignored
(replaced by linux-raspi)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(replaced by linux-raspi)
xenial Ignored
(end of standard support)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-raspi2-5.4)
xenial Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.8)
jammy Ignored
(end of kernel support)
mantic Needed

trusty Does not exist

upstream Needed

xenial Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.13)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-riscv-5.13)
xenial Does not exist

linux-riscv-5.15
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-riscv-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(end of kernel support)
mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-riscv-5.8
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.11)
jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-riscv-5.11)
xenial Does not exist

linux-riscv-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support)
focal Does not exist

jammy Does not exist

mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Ignored
(end of standard support)
linux-starfive
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

mantic Needed

trusty Does not exist

upstream Needed

xenial Does not exist

linux-starfive-5.19
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(end of kernel support)
mantic Does not exist

trusty Does not exist

upstream Ignored
(end of life)
xenial Does not exist

linux-starfive-6.2
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Ignored
(superseded by linux-starfive-6.5)
mantic Does not exist

trusty Does not exist

upstream Ignored
(superseded by linux-starfive-6.5)
xenial Does not exist

linux-starfive-6.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

linux-xilinx-zynqmp
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Needed

mantic Does not exist

trusty Does not exist

upstream Needed

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H