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openSUSE 16: libsystemd0 / libudev1 / systemd / systemd-boot / systemd-container / etc (openSUSE-SU-2026:21754-1)

medium Nessus Plugin ID 343938

Synopsis

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

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21754-1 advisory.

 This update for systemd fixes the following issue:

 Security issue fixed:

 - CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing home record signature verification on the authentication path (bsc#1271444).

 Non security issue fixed:

 - `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).

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.

See Also

https://bugzilla.suse.com/1237515

https://bugzilla.suse.com/1254924

https://bugzilla.suse.com/1259418

https://bugzilla.suse.com/1259650

https://bugzilla.suse.com/1261400

https://bugzilla.suse.com/1271444

https://www.suse.com/security/cve/CVE-2026-16742

https://www.suse.com/security/cve/CVE-2026-29111

https://www.suse.com/security/cve/CVE-2026-40226

https://www.suse.com/security/cve/CVE-2026-4105

Plugin Details

Severity: Medium

ID: 343938

File Name: openSUSE-2026-21754-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/9/2026

Updated: 9/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-4105

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:libsystemd0, p-cpe:/a:novell:opensuse:libudev1, p-cpe:/a:novell:opensuse:systemd-boot, p-cpe:/a:novell:opensuse:systemd-container, p-cpe:/a:novell:opensuse:systemd-devel, p-cpe:/a:novell:opensuse:systemd-experimental, p-cpe:/a:novell:opensuse:systemd-homed, p-cpe:/a:novell:opensuse:systemd-journal-remote, p-cpe:/a:novell:opensuse:systemd-lang, p-cpe:/a:novell:opensuse:systemd-mini-experimental, p-cpe:/a:novell:opensuse:systemd-networkd, p-cpe:/a:novell:opensuse:systemd-portable, p-cpe:/a:novell:opensuse:systemd-resolved, p-cpe:/a:novell:opensuse:systemd-testsuite, p-cpe:/a:novell:opensuse:systemd, p-cpe:/a:novell:opensuse:udev

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2026

Vulnerability Publication Date: 3/13/2026

Reference Information

CVE: CVE-2026-16742, CVE-2026-29111, CVE-2026-40226, CVE-2026-4105