Описание
Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP4)
This update for the Linux Kernel 4.12.14-95_93 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-2022-1652: Fixed a use-after-free in bad_flp_intr (bsc#1200057).
Список пакетов
SUSE Linux Enterprise Live Patching 12 SP4
Ссылки
- Link for SUSE-SU-2022:3342-1
- E-Mail link for SUSE-SU-2022:3342-1
- SUSE Security Ratings
- SUSE Bug 1200057
- SUSE Bug 1203116
- SUSE CVE CVE-2022-1652 page
- SUSE CVE CVE-2022-39188 page
Описание
Linux Kernel could allow a local attacker to execute arbitrary code on the system, caused by a concurrency use-after-free flaw in the bad_flp_intr function. By executing a specially-crafted program, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
Затронутые продукты
Ссылки
- CVE-2022-1652
- SUSE Bug 1199063
- SUSE Bug 1200057
- SUSE Bug 1200751
- SUSE Bug 1201034
- SUSE Bug 1201832
- SUSE Bug 1204132
- SUSE Bug 1212307
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
Ссылки
- CVE-2022-39188
- SUSE Bug 1203107
- SUSE Bug 1203116
- SUSE Bug 1205313
- SUSE Bug 1209225
- SUSE Bug 1212326