Описание
Security update for the Linux Kernel (Live Patch 22 for SLE 15 SP3)
This update for the Linux Kernel 5.3.18-150300_59_87 fixes several issues.
The following security issues were fixed:
- CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116).
- CVE-2022-29581: Fixed an improper Update of Reference Count vulnerability in net/sched that causes privilege escalation to root (bsc#1199695).
Список пакетов
SUSE Linux Enterprise Live Patching 12 SP5
kgraft-patch-4_12_14-122_130-default-3-2.2
SUSE Linux Enterprise Live Patching 15 SP3
kernel-livepatch-5_3_18-150300_59_87-default-4-150300.2.2
Ссылки
- Link for SUSE-SU-2022:3377-1
- E-Mail link for SUSE-SU-2022:3377-1
- SUSE Security Ratings
- SUSE Bug 1199695
- SUSE Bug 1203116
- SUSE CVE CVE-2022-29581 page
- SUSE CVE CVE-2022-39188 page
Описание
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_130-default-3-2.2
SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_87-default-4-150300.2.2
Ссылки
- CVE-2022-29581
- SUSE Bug 1199665
- SUSE Bug 1199695
- SUSE Bug 1205313
Описание
An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.
Затронутые продукты
SUSE Linux Enterprise Live Patching 12 SP5:kgraft-patch-4_12_14-122_130-default-3-2.2
SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_87-default-4-150300.2.2
Ссылки
- CVE-2022-39188
- SUSE Bug 1203107
- SUSE Bug 1203116
- SUSE Bug 1205313
- SUSE Bug 1209225
- SUSE Bug 1212326