SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1678-1)

high Nessus Plugin ID 312132

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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-2026:1678-1 advisory.

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues

The following security issues were fixed:

- CVE-2026-31431: The copy.fail security issue is fixed by revert to operating out-of-place in algif_aead (bsc#1262573).

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_40-rt package.

Plugin Details

Severity: High

ID: 312132

File Name: suse_SU-2026-1678-1.nasl

Version: 1.4

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/5/2026

Updated: 5/8/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

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: p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_7_40-rt, cpe:/o:novell:suse_linux:15

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: 5/2/2026

Vulnerability Publication Date: 4/22/2026

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

Exploitable With

Core Impact

Metasploit (Copy Fail AF_ALG + authencesn Page-Cache Write)

Reference Information

CVE: CVE-2026-31431

IAVA: 2026-A-0428

SuSE: SUSE-SU-2026:1678-1

Detections

Analytics