SUSE SLES16 Security Update : kernel (SUSE-SU-2026:21616-1)

high Nessus Plugin ID 315042

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:21616-1 advisory.

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues

The following security issues were fixed:

Dirty Frag fixes:

- CVE-2026-43500: supported.conf: drop rxrpc completely (bsc#1264450)
- CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).

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 cluster-md-kmp-default, dlm-kmp-default and / or gfs2-kmp-default packages.

Plugin Details

Severity: High

ID: 315042

File Name: suse_SU-2026-21616-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/16/2026

Updated: 5/16/2026

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: 5.9

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: 7.5

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:16, p-cpe:/a:novell:suse_linux:dlm-kmp-default, p-cpe:/a:novell:suse_linux:cluster-md-kmp-default, p-cpe:/a:novell:suse_linux:gfs2-kmp-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: 5/12/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

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

SuSE: SUSE-SU-2026:21616-1

Detections

Analytics