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SUSE-SU-2020:3188-1

Опубликовано: 05 нояб. 2020
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-197_56 fixes several issues.

The following security issues were fixed:

  • CVE-2020-14381: Fixed a use-after-free in the fast user mutex (futex) wait operation, which could have lead to memory corruption and possibly privilege escalation (bsc#1176011).
  • CVE-2020-25212: A TOCTOU mismatch in the NFS client code could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c (bsc#1176381).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP1
kernel-livepatch-4_12_14-197_56-default-2-2.1

Ссылки

Описание

A flaw was found in the Linux kernel's futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-197_56-default-2-2.1
Ссылки

Описание

A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP1:kernel-livepatch-4_12_14-197_56-default-2-2.1
Ссылки