SUSE SLES15 Security Update : kernel (Live Patch 16 for SUSE Linux Enterprise 15 SP6) (SUSE-SU-2026:4231-1)

critical Nessus Plugin ID 347910

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-2026:4231-1 advisory.

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.73 fixes various security issues:

The following security issues were fixed:

- CVE-2026-46150: fanotify: fix false positive on permission events (bsc#1267388).
- CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction (bsc#1275458).
- CVE-2026-64561: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Zapscape) (bsc#1273232).
- CVE-2026-64564: sctp: don't free the ASCONF's own transport in DEL-IP processing (SCTPhantom) (bsc#1274074).
- CVE-2026-68138: net/sched: serialize qdisc_rtab_list against concurrent get/put (bsc#1274942).

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_73-default package.

See Also

https://bugzilla.suse.com/1267388

https://bugzilla.suse.com/1273232

https://bugzilla.suse.com/1274074

https://bugzilla.suse.com/1274942

https://bugzilla.suse.com/1275458

https://www.suse.com/security/cve/CVE-2026-46150

https://www.suse.com/security/cve/CVE-2026-64423

https://www.suse.com/security/cve/CVE-2026-64561

https://www.suse.com/security/cve/CVE-2026-64564

https://www.suse.com/security/cve/CVE-2026-68138

http://www.nessus.org/u?30e0ea55

Plugin Details

Severity: Critical

ID: 347910

File Name: suse_SU-2026-4231-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/18/2026

Updated: 9/18/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8

Percentile: 99.68

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-2026-64564

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:15, p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150600_23_73-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: 9/17/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-46150, CVE-2026-64423, CVE-2026-64561, CVE-2026-64564, CVE-2026-68138

SuSE: SUSE-SU-2026:4231-1