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SUSE Linux 15 SP4 Kernel Major Live Patch 45 Security Advisory 2026-0997-1

suse
Calendar Grey March 24, 2026
Dist Suse Esm H88
Critical live patch addressing multiple vulnerabilities in SUSE Linux Kernel 5.14.21-150400.24.179 for enhanced security.
An update that solves nine vulnerabilities can now be installed.

Summary

## This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.179 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-2025-40258: 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

Topics%20covered

Topics Covered

security advisory update SuSE threat important kernel

References

* bsc#1254755

* bsc#1255053

* bsc#1255378

* bsc#1255402

* bsc#1255595

* bsc#1256624

* bsc#1256644

* bsc#1257118

* bsc#1257629

Cross-

* CVE-2022-50697

* CVE-2023-53781

* CVE-2025-21738

* CVE-2025-38159

* CVE-2025-40258

* CVE-2025-68284

* CVE-2025-68285

* CVE-2025-68813

* CVE-2025-71085

CVSS scores:

* CVE-2022-50697 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2022-50697 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-53781 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2023-53781 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-21738 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0997-1
Release Date: 2026-03-24T14:34:38Z
Rating: important

Topics%20covered

Topics Covered

security advisory update SuSE threat important kernel

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