Security update for the Linux Kernel RT (Live Patch 6 for SUSE Linux Enterprise 16)
This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.27.1 fixes various security issues The following security issues were fixed: - CVE-2026-23204: net/sched: cls_u32: use skb_header_pointer_careful() (bsc#1259126). - CVE-2026-23437: net: shaper: protect late read accesses to the hierarchy (bsc#1261845). - CVE-2026-31406: xfrm: Fix work re-schedule after cancel in xfrm_nat_keepalive_net_fini() (bsc#1261630). - CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689).
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.27.1 fixes various security issues The following security issues were fixed: - CVE-2026-23204: net/sched: cls_u32: use skb_header_pointer_careful() (bsc#1259126). - CVE-2026-23437: net: shaper: protect late read accesses to the hierarchy (bsc#1261845). - CVE-2026-31406: xfrm: Fix work re-schedule after cancel in xfrm_nat_keepalive_net_fini() (bsc#1261630). - CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1259126
- https://bugzilla.suse.com/1261630
- https://bugzilla.suse.com/1261845
- https://bugzilla.suse.com/1263689
- https://www.suse.com/security/cve/CVE-2026-23204
- https://www.suse.com/security/cve/CVE-2026-23437
- https://www.suse.com/security/cve/CVE-2026-31406
- https://www.suse.com/security/cve/CVE-2026-31431
- https://www.suse.com/support/update/announcement/2026/suse-su-202621521-1/