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SUSE-SU-2022:1322-1

Опубликовано: 23 апр. 2022
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP5)

This update for the Linux Kernel 4.12.14-122_88 fixes several issues.

The following security issues were fixed:

  • CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197335)
  • CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bsc#1197344)

Список пакетов

SUSE Linux Enterprise Live Patching 12 SP5
kgraft-patch-4_12_14-122_77-default-13-2.1
kgraft-patch-4_12_14-122_83-default-11-2.1
kgraft-patch-4_12_14-122_88-default-9-2.1

Ссылки

Описание

A use-after-free flaw was found in the Linux kernel's FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_77-default-13-2.1
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_83-default-11-2.1
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_88-default-9-2.1
Ссылки

Описание

A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a use-after-free. This issue needs to handle 'return' with proper preconditions, as it can lead to a kernel information leak problem caused by a local, unprivileged attacker.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_77-default-13-2.1
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_83-default-11-2.1
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_88-default-9-2.1
Ссылки