SUSE SLES15 Security Update : kernel (Live Patch 12 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:1873-1)

high Nessus Plugin ID 315038

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:1873-1 advisory.

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.203 fixes one security issue

The following security issue was fixed:

- CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264459).

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-5_14_21-150400_24_205-default and / or kernel-livepatch-6_4_0-150700_53_40-default packages.

Plugin Details

Severity: High

ID: 315038

File Name: suse_SU-2026-1873-1.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-2026-43284

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-5_14_21-150400_24_205-default, p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_53_40-default, 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: 5/15/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

CVE: CVE-2026-43284

SuSE: SUSE-SU-2026:1873-1

Detections

Analytics