SUSE-SU-2026:21598-1

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes various security issues

The following security issues were fixed:

• CVE-2025-39977: futex: Prevent use-after-free during requeue-PI (bsc#1252048).
• CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange (bsc#1258005).
• CVE-2026-23004: dst: fix races in rt6uncachedlistdel() and rtdeluncachedlist() (bsc#1258655).
• CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful() (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 xfrmnatkeepalivenetfini() (bsc#1261630).
• CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689).