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SUSE-SU-2021:0869-1

Опубликовано: 17 мар. 2021
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2)

This update for the Linux Kernel 5.3.18-24_49 fixes several issues.

The following security issues were fixed:

  • CVE-2020-29368: Fixed an issue in copy-on-write implementation which could have granted unintended write access because of a race condition in a THP mapcount check (bsc#1179664).
  • CVE-2020-29373: Fixed an issue where kernel unsafely handles the root directory during path lookups, and thus a process inside a mount namespace could escape to unintended filesystem locations (bsc#1179779).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP2
kernel-livepatch-5_3_18-24_49-default-2-2.2

Ссылки

Описание

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_49-default-2-2.2
Ссылки

Описание

An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP2:kernel-livepatch-5_3_18-24_49-default-2-2.2
Ссылки