Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4)
This update for the Linux Kernel 5.14.21-150400_24_38 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-2023-28466: 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).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.14.21-150400_24_38 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-2023-28466: 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).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1207189
- https://bugzilla.suse.com/1210452
- https://bugzilla.suse.com/1210989
- https://www.suse.com/security/cve/CVE-2023-23455
- https://www.suse.com/security/cve/CVE-2023-28466
- https://www.suse.com/security/cve/CVE-2023-31436
- https://www.suse.com/support/update/announcement/2023/suse-su-20232743-1/