Security update for the Linux Kernel (Live Patch 20 for SLE 15) (Important)
Description:
This update for the Linux Kernel 4.12.14-150_58 fixes several issues.
The following security issues were fixed:
- CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184171). - CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646). - CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294). - CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).
SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Module for Desktop Applications 15 SP1 SUSE Linux Enterprise Module for Live Patching 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server for SAP Applications 15