SUSE SLES15 Security Update : kernel (Live Patch 31 for SUSE Linux Enterprise 15 SP5) (SUSE-SU-2026:1048-1)

high Nessus Plugin ID 303955

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1048-1 advisory.

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.187 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 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).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel-livepatch-5_14_21-150400_24_187-default and / or kernel- livepatch-5_14_21-150500_55_124-default packages.

See Also

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

http://www.nessus.org/u?11ad6f27

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-2025-40258

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

Plugin Details

Severity: High

ID: 303955

File Name: suse_SU-2026-1048-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/27/2026

Updated: 3/27/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C

CVSS Score Source: CVE-2025-38159

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_24_187-default, p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150500_55_124-default, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/25/2026

Vulnerability Publication Date: 7/21/2021

Reference Information

CVE: 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

SuSE: SUSE-SU-2026:1048-1