Security update for the Linux Kernel (Live Patch 32 for SLE 15 SP1)
Details
This update for the Linux Kernel 4.12.14-150100_197_117 fixes several issues.
The following security issues were fixed:
CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue in net/sched/sch_atm.c because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results) (bsc#1207189).
CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210989).
CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1210779).
CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc#1210452).