Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP4) (Important)
Description:
This update for the Linux Kernel 5.14.21-150400_22 fixes several issues.
The following security issues were fixed:
- CVE-2022-20154: Fixed a use after free due to a race condition in lock_sock_nested of sock.c. This could lead to local escalation of privilege with System execution privileges needed (bsc#1200599). - CVE-2022-21499: Reinforced the kernel lockdown feature, until now it's been trivial to break out of it with kgdb or kdb (bsc#1199426). - CVE-2022-1729: Fixed a sys_perf_event_open() race condition against self (bsc#1199507).
SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Module for Live Patching 15 SP4 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP2 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4