openSUSE 15 Security Update : kernel (SUSE-SU-2026:1840-2)

high Nessus Plugin ID 315040

Synopsis

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

Description

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1840-2 advisory.

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix the following issue:

- 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 (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 packages.

Plugin Details

Severity: High

ID: 315040

File Name: suse_SU-2026-1840-2.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 5/16/2026

Updated: 5/16/2026

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

Vulnerability Information

CPE: 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: 5/13/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

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

SuSE: SUSE-SU-2026:1840-2

Detections

Analytics