SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1778-1)

high Nessus Plugin ID 313681

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-2026:1778-1 advisory.

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix the following issue:


This fixes the DirtyFrag issues:

- CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).
- CVE-2026-43500: rxrpc and afs modules are disabled (bsc#1264450)

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_44-rt package.

See Also

https://bugzilla.suse.com/1264449

https://bugzilla.suse.com/1264450

http://www.nessus.org/u?635caa2d

https://www.suse.com/security/cve/CVE-2026-43284

https://www.suse.com/security/cve/CVE-2026-43500

Plugin Details

Severity: High

ID: 313681

File Name: suse_SU-2026-1778-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/10/2026

Updated: 5/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-43500

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

CVSS Score Source: CVE-2026-43284

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_7_44-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: 5/8/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

CVE: CVE-2026-43284, CVE-2026-43500

SuSE: SUSE-SU-2026:1778-1