Security update for the Linux Kernel (Live Patch 26 for SLE 15 SP5)
This update for the Linux Kernel 5.14.21-150500_55_103 fixes several issues. The following security issues were fixed: - CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1245793). - CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776). - CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 5.14.21-150500_55_103 fixes several issues. The following security issues were fixed: - CVE-2025-37797: net_sched: hfsc: Fix a UAF vulnerability in class handling (bsc#1245793). - CVE-2025-37752: net_sched: sch_sfq: move the limit validation (bsc#1245776). - CVE-2025-21702: pfifo_tail_enqueue: Drop new packet when sch->limit == 0 (bsc#1245797).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1245776
- https://bugzilla.suse.com/1245793
- https://bugzilla.suse.com/1245797
- https://www.suse.com/security/cve/CVE-2025-21702
- https://www.suse.com/security/cve/CVE-2025-37752
- https://www.suse.com/security/cve/CVE-2025-37797
- https://www.suse.com/support/update/announcement/2025/suse-su-202502676-1/