SUSE SLES15 Security Update : kernel (Live Patch 48 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:1231-1)

high Nessus Plugin ID 305856

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:1231-1 advisory.

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.194 fixes one security issue

The following security issue was fixed:

- CVE-2026-23209: macvlan: fix error recovery in macvlan_common_newlink() (bsc#1258784).

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

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

Solution

Update the affected kernel-livepatch-5_14_21-150400_24_194-default package.

Plugin Details

Severity: High

ID: 305856

File Name: suse_SU-2026-1231-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/10/2026

Updated: 4/10/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-23209

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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_194-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: 4/9/2026

Vulnerability Publication Date: 2/14/2026

Reference Information

CVE: CVE-2026-23209

SuSE: SUSE-SU-2026:1231-1

Detections

Analytics