SUSE SLES12 Security Update : kernel (Live Patch 72 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:2909-1)

critical Nessus Plugin ID 326708

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-2026:2909-1 advisory.

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.272 fixes various security issues

The following security issues were fixed:

- CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263670).
- CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new expectations (bsc#1264253).
- CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (bsc#1265197).
- CVE-2026-43190: netfilter: xt_tcpmss: check remaining length before reading optlen (bsc#1264849).
- CVE-2026-43437: ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain() (bsc#1265127).
- CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (bsc#1267206).
- CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions (CIFSwitch) (bsc#1266265).

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_272-default package.

See Also

https://bugzilla.suse.com/1263670

https://bugzilla.suse.com/1264253

https://bugzilla.suse.com/1264849

https://bugzilla.suse.com/1265127

https://bugzilla.suse.com/1265197

https://bugzilla.suse.com/1266265

https://bugzilla.suse.com/1267206

https://lists.suse.com/pipermail/sle-updates/2026-July/048162.html

https://www.suse.com/security/cve/CVE-2026-31685

https://www.suse.com/security/cve/CVE-2026-43025

https://www.suse.com/security/cve/CVE-2026-43037

https://www.suse.com/security/cve/CVE-2026-43190

https://www.suse.com/security/cve/CVE-2026-43437

https://www.suse.com/security/cve/CVE-2026-45970

https://www.suse.com/security/cve/CVE-2026-46243

Plugin Details

Severity: Critical

ID: 326708

File Name: suse_SU-2026-2909-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/14/2026

Updated: 7/14/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.47

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-2026-43037

CVSS v3

Risk Factor: Critical

Base Score: 9.4

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2026-31685

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kgraft-patch-4_12_14-122_272-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: 7/13/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2026-31685, CVE-2026-43025, CVE-2026-43037, CVE-2026-43190, CVE-2026-43437, CVE-2026-45970, CVE-2026-46243

SuSE: SUSE-SU-2026:2909-1