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SUSE-SU-2024:3387-1

Опубликовано: 23 сент. 2024
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-150600_23_17 fixes one issue.

The following security issue was fixed:

  • CVE-2024-40909: Fix a potential use-after-free in bpf_link_free() (bsc#1228349).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP6
kernel-livepatch-6_4_0-150600_23_17-default-2-150600.13.6.3

Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free in bpf_link_free() After commit 1a80dbcb2dba, bpf_link can be freed by link->ops->dealloc_deferred, but the code still tests and uses link->ops->dealloc afterward, which leads to a use-after-free as reported by syzbot. Actually, one of them should be sufficient, so just call one of them instead of both. Also add a WARN_ON() in case of any problematic implementation.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_23_17-default-2-150600.13.6.3
Ссылки