SUSE SLES15 Security Update : kernel RT (Live Patch 10 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1690-1)

high Nessus Plugin ID 312341

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-2026:1690-1 advisory.

This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.34 fixes one security issue

The following security issue was fixed:

- CVE-2026-31431: crypto: algif_aead - Revert to operating out-of-place (bsc#1263689).

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-6_4_0-150700_7_34-rt package.

See Also

https://bugzilla.suse.com/1263689

https://lists.suse.com/pipermail/sle-updates/2026-May/046204.html

https://www.suse.com/security/cve/CVE-2026-31431

Plugin Details

Severity: High

ID: 312341

File Name: suse_SU-2026-1690-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/6/2026

Updated: 5/6/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-31431

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/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_34-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: 5/5/2026

Vulnerability Publication Date: 4/22/2026

CISA Known Exploited Vulnerability Due Dates: 5/15/2026

Reference Information

CVE: CVE-2026-31431

SuSE: SUSE-SU-2026:1690-1