SUSE SLES15 Security Update : kernel RT (Live Patch 18 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:4172-1)

critical Nessus Plugin ID 346219

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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-2026:4172-1 advisory.

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.67 fixes various security issues:

The following security issues were fixed:

- CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction (bsc#1275458).
- CVE-2026-64530: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_hand (bsc#1271867).
- 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-2026-64600: xfs: resample the data fork mapping after cycling ILOCK (RefluXFS) (bsc#1271543).
- 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_0-150700_7_67-rt package.

Plugin Details

Severity: Critical

ID: 346219

File Name: suse_SU-2026-4172-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/16/2026

Updated: 9/16/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, 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_0-150700_7_67-rt

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: 9/14/2026

Vulnerability Publication Date: 7/15/2026

Reference Information

CVE: CVE-2026-64423, CVE-2026-64530, CVE-2026-64561, CVE-2026-64564, CVE-2026-64600, CVE-2026-68138

SuSE: SUSE-SU-2026:4172-1

Detections

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