This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.26.1 fixes various security issues

The following security issues were fixed:

- CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (bsc#1258655).
- 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).