Security update for the Linux Kernel (Live Patch 49 for SUSE Linux Enterprise 15 SP4)
This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.197 fixes various security issues
The following security issues were fixed:
- CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion (bsc#1260524).
- CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262759).
- CVE-2026-31570: can: gw: fix OOB heap access in cgw_csum_crc8_rel() (bsc#1263118).
- CVE-2026-31586: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() (bsc#1263177).
- CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263670).
- CVE-2026-31758: usb: usbtmc: Flush an
The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes.
The following security bugs were fixed:
- CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer (bsc#1238917).
- CVE-2025-40242: gfs2: Fix unlikely race in gdlm_put_lock (bsc#1255075).
- CVE-2025-71066: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (bsc#1256645).
- CVE-2026-23004: dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (bsc#1257231).
- CVE-2026-23060: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec (bsc#1257735).
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