Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP2) (Important)
Description:
This update for the Linux Kernel 4.4.121-92_117 fixes several issues.
The following security issues were fixed:
- CVE-2018-20856: Fixed a use-after-free in __blk_drain_queue() due to an 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-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108).
The following bugs were fixed:
- Fixed boot up hang revealed by int3 self test (bsc#1157770).
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