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SUSE SLES15 Security Update : kernel RT (Live Patch 3 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:0146-1)

medium Nessus Plugin ID 293786

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-2026:0146-1 advisory.

 This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.13 fixes various security issues

 The following security issues were fixed:

 - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787).
 - CVE-2025-38608: bpf, ktls: Fix data corruption when using bpf_msg_pop_data() in ktls (bsc#1248670).
 - CVE-2025-39682: tls: fix handling of zero-length records on the rx_list (bsc#1250192).
 - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253437).

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_0-150700_7_13-rt package.

See Also

https://bugzilla.suse.com/1248670

https://bugzilla.suse.com/1250192

https://bugzilla.suse.com/1251787

https://bugzilla.suse.com/1253437

http://www.nessus.org/u?0cbf54e5

https://www.suse.com/security/cve/CVE-2023-53676

https://www.suse.com/security/cve/CVE-2025-38608

https://www.suse.com/security/cve/CVE-2025-39682

https://www.suse.com/security/cve/CVE-2025-40204

Plugin Details

Severity: Medium

ID: 293786

File Name: suse_SU-2026-0146-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/20/2026

Updated: 1/20/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2025-38608

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_7_13-rt

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: 1/17/2026

Vulnerability Publication Date: 9/4/2021

Reference Information

CVE: CVE-2023-53676, CVE-2025-38608, CVE-2025-39682, CVE-2025-40204

SuSE: SUSE-SU-2026:0146-1