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SUSE SLES12 Security Update : kernel (Live Patch 71 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:2549-1)

critical Nessus Plugin ID 323035

Synopsis

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

Description

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2549-1 advisory.

 This update for the SUSE Linux Enterprise Kernel 4.12.14-122.269 fixes various security issues

 The following security issues were fixed:

 - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261640).
 - CVE-2026-31504: net: fix fanout UAF in packet_release() via NETDEV_UP race (bsc#1263088).
 - CVE-2026-43503: final dirty.frag related fixes (bsc#1266229).
 - CVE-2026-46323: net: gro: don't merge zcopy skbs (bsc#1268282).

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 kgraft-patch-4_12_14-122_269-default package.

See Also

https://bugzilla.suse.com/1261640

https://bugzilla.suse.com/1263088

https://bugzilla.suse.com/1266229

https://bugzilla.suse.com/1268282

https://www.suse.com/security/cve/CVE-2026-31402

https://www.suse.com/security/cve/CVE-2026-31504

https://www.suse.com/security/cve/CVE-2026-43503

https://www.suse.com/security/cve/CVE-2026-46323

http://www.nessus.org/u?fa03af96

Plugin Details

Severity: Critical

ID: 323035

File Name: suse_SU-2026-2549-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/26/2026

Updated: 6/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-31402

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-4_12_14-122_269-default

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: 6/23/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-31402, CVE-2026-31504, CVE-2026-43503, CVE-2026-46323

SuSE: SUSE-SU-2026:2549-1