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SUSE-SU-2021:1724-1

Опубликовано: 25 мая 2021
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-197_45 fixes several issues.

The following security issues were fixed:

  • CVE-2020-36322: Fixed an issue inside the FUSE filesystem implementation where fuse_do_getattr() calls make_bad_inode() in inappropriate situations, could have caused a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950 (bsc#1184952).
  • CVE-2021-29154: Fixed BPF JIT compilers that allowed to execute arbitrary code within the kernel context (bsc#1184710)
  • Fix system crash on kernfs_kill_sb() as a sysfs superblock's kernfs_super_info node list was NULL (bsc#1183452).

Список пакетов

SUSE Linux Enterprise Live Patching 12 SP5
kgraft-patch-4_12_14-122_60-default-5-2.2
kgraft-patch-4_12_14-122_57-default-6-2.2
kgraft-patch-4_12_14-122_54-default-6-2.2
kgraft-patch-4_12_14-122_51-default-8-2.2
kgraft-patch-4_12_14-122_46-default-8-2.2
kgraft-patch-4_12_14-122_41-default-10-2.2
kgraft-patch-4_12_14-122_37-default-11-2.2
kgraft-patch-4_12_14-122_32-default-12-2.2
kgraft-patch-4_12_14-122_29-default-12-2.2
kgraft-patch-4_12_14-122_26-default-12-2.2
kgraft-patch-4_12_14-122_23-default-12-2.2
SUSE Linux Enterprise Live Patching 15 SP1
kernel-livepatch-4_12_14-197_78-default-6-2.2
kernel-livepatch-4_12_14-197_75-default-6-2.2
kernel-livepatch-4_12_14-197_72-default-6-2.2
kernel-livepatch-4_12_14-197_67-default-7-2.2
kernel-livepatch-4_12_14-197_64-default-7-2.2
kernel-livepatch-4_12_14-197_61-default-8-2.2
kernel-livepatch-4_12_14-197_56-default-9-2.2
kernel-livepatch-4_12_14-197_51-default-10-2.2
kernel-livepatch-4_12_14-197_48-default-10-2.2
kernel-livepatch-4_12_14-197_45-default-10-2.2

Ссылки

Описание

An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, aka CID-5d069dbe8aaf. fuse_do_getattr() calls make_bad_inode() in inappropriate situations, causing a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_23-default-12-2.2
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_26-default-12-2.2
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_29-default-12-2.2
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_32-default-12-2.2
Ссылки

Описание

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.

Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_23-default-12-2.2
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_26-default-12-2.2
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_29-default-12-2.2
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_32-default-12-2.2
Ссылки
Уязвимость SUSE-SU-2021:1724-1