SUSE-SU-2023:2741-1

This update for the Linux Kernel 5.3.18-1503005987 fixes several issues.

The following security issues were fixed:

• CVE-2022-4744: Fixed double-free that could lead to DoS or privilege escalation in TUN/TAP device driver functionality (bsc#1209672).
• 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-2023-1390: Fixed remote DoS vulnerability in tipclinkxmit() (bsc#1210779).
• 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).