Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)
This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 fixes various security issues The following security issues were fixed: - CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit (bsc#1255595). - CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer_handler() (bsc#1254755). - CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer (bsc#1257118). - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (bsc#1257629). - CVE-2025-38488: smb: client: fix use-after-free in crypt_message when using async crypto (bsc#1247240). - CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1255053). - CVE-2025-68284: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (bsc#1255378). - CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402). - CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256644). - CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256624).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 fixes various security issues The following security issues were fixed: - CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit (bsc#1255595). - CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer_handler() (bsc#1254755). - CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer (bsc#1257118). - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (bsc#1257629). - CVE-2025-38488: smb: client: fix use-after-free in crypt_message when using async crypto (bsc#1247240). - CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1255053). - CVE-2025-68284: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (bsc#1255378). - CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402). - CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256644). - CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256624).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1247240
- https://bugzilla.suse.com/1254755
- https://bugzilla.suse.com/1255053
- https://bugzilla.suse.com/1255378
- https://bugzilla.suse.com/1255402
- https://bugzilla.suse.com/1255595
- https://bugzilla.suse.com/1256624
- https://bugzilla.suse.com/1256644
- https://bugzilla.suse.com/1257118
- https://bugzilla.suse.com/1257629
- https://www.suse.com/security/cve/CVE-2022-50697
- https://www.suse.com/security/cve/CVE-2023-53781
- https://www.suse.com/security/cve/CVE-2025-21738
- https://www.suse.com/security/cve/CVE-2025-38159
- https://www.suse.com/security/cve/CVE-2025-38488
- https://www.suse.com/security/cve/CVE-2025-40258
- https://www.suse.com/security/cve/CVE-2025-68284
- https://www.suse.com/security/cve/CVE-2025-68285
- https://www.suse.com/security/cve/CVE-2025-68813
- https://www.suse.com/security/cve/CVE-2025-71085
- https://www.suse.com/support/update/announcement/2026/suse-su-20260992-1/