SUSE SLES15 Security Update : kernel (Live Patch 13 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:0546-1)

medium Nessus Plugin ID 299264

Synopsis

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

Description

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0546-1 advisory.

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.60 fixes various security issues

The following security issues were fixed:

- CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() (bsc#1249205).
- CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() (bsc#1249480).
- CVE-2025-40129: sunrpc: fix null pointer dereference on zero-length checksum (bsc#1253473).
- CVE-2025-40186: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (bsc#1253439).

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-6_4_0-150600_23_60-default package.

See Also

https://bugzilla.suse.com/1249205

https://bugzilla.suse.com/1249480

https://bugzilla.suse.com/1253439

https://bugzilla.suse.com/1253473

http://www.nessus.org/u?7e79a575

https://www.suse.com/security/cve/CVE-2025-38352

https://www.suse.com/security/cve/CVE-2025-39742

https://www.suse.com/security/cve/CVE-2025-40129

https://www.suse.com/security/cve/CVE-2025-40186

Plugin Details

Severity: Medium

ID: 299264

File Name: suse_SU-2026-0546-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/17/2026

Updated: 2/17/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.8

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

CVSS Score Source: CVE-2025-39742

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150600_23_60-default, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/15/2026

Vulnerability Publication Date: 2/12/2025

CISA Known Exploited Vulnerability Due Dates: 9/25/2025

Reference Information

CVE: CVE-2025-38352, CVE-2025-39742, CVE-2025-40129, CVE-2025-40186

SuSE: SUSE-SU-2026:0546-1