Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP2) (Important)
Description:
This update for the Linux Kernel 5.3.18-24_15 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-2021-28660: Fixed an out of bounds write in rtw_wx_set_scan (bsc#1183658). - 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).