Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP4)
Details
This update for the Linux Kernel 5.14.21-1504002421 fixes several issues.
The following security issues were fixed:
CVE-2023-23455: Fixed a denial of service inside atmtcenqueue in net/sched/schatm.c because of type confusion (non-negative numbers can sometimes indicate a TCACT_SHOT condition rather than valid classification results) (bsc#1207189).
CVE-2023-31436: Fixed an out-of-bounds write in qfqchangeclass() because lmax can exceed QFQMINLMAX (bsc#1210989).
CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in dotlsgetsockopt in net/tls/tls_main.c (bsc#1210452).