SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1959-1)

high Nessus Plugin ID 315291

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-2026:1959-1 advisory.

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

The following security issues were fixed:

- CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013).
- CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209).
- CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags (bsc#1264449).
- CVE-2026-43500: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (aka Dirty Frag) (bsc#1264450)
- CVE-2026-46333: ptrace: Logic bug in the Linux kernel's __ptrace_may_access() function (bsc#1265308).

The following non security issue was fixed:

- io-wq: check that the predecessor is hashed in io_wq_remove_pending() (git-fixes).

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_51-rt package.

Plugin Details

Severity: High

ID: 315291

File Name: suse_SU-2026-1959-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/19/2026

Updated: 5/19/2026

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

CVSS v4

Risk Factor: High

Base Score: 7.3

Threat Score: 7.3

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2025-54518

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-livepatch-6_4_0-150700_7_51-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: 5/18/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

CVE: CVE-2025-54518, CVE-2026-43284, CVE-2026-43500, CVE-2026-46300, CVE-2026-46333

SuSE: SUSE-SU-2026:1959-1

Detections

Analytics