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SUSE-SU-2023:4264-1

Опубликовано: 30 окт. 2023
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 37 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-150300_59_138 fixes one issue.

The following security issue was fixed:

  • CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP2
kernel-livepatch-5_3_18-150200_24_166-default-2-150200.2.1
SUSE Linux Enterprise Live Patching 15 SP3
kernel-livepatch-5_3_18-150300_59_138-default-2-150300.2.2

Ссылки

Описание

A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-150200_24_166-default-2-150200.2.1
SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_138-default-2-150300.2.2
Ссылки