Security update for the Linux Kernel (Live Patch 25 for SLE 12 SP3)
Details
This update for the Linux Kernel 4.4.178-94_91 fixes several issues.
The following security issues were fixed:
CVE-2018-20856: Fixed a use-after-free in block/blk-core.c due to improper error handling (bsc#1156331).
CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging
certain scenarios with a parent-child process relationship (bsc#1156321).
CVE-2019-15239: Fixed a vulnerability where a local attacker could have triggered multiple use-after-free conditions
resulted in privilege escalation (bsc#1156317).
CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).