Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2) (Important)
Description:
This update for the Linux Kernel 5.3.18-24_64 fixes several issues.
The following issues were fixed:
- CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484). - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060). - Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).