Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP2)
Details
This update for the Linux Kernel 5.3.18-24_49 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 rtwwxset_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).