Security update for the Linux Kernel (Live Patch 36 for SLE 12 SP2) (Important)
Description:
This update for the Linux Kernel 4.4.121-92_138 fixes several issues.
The following security issues were fixed:
- CVE-2021-3347: Fixed a use-after-free in the PI futexes during fault handling, allowing local users to execute code in the kernel (bsc#1181553). - CVE-2020-27786: Fixed a potential user after free which could have led to memory corruption or privilege escalation (bsc#1179616). - CVE-2020-28374: Fixed insufficient identifier checking in the LIO SCSI target code which could have been used by remote attackers to read or write files via directory traversal in an XCOPY request (bsc#1178684).
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