SUSE SLES15 Security Update : systemd (SUSE-SU-2026:1061-1)

medium Nessus Plugin ID 303956

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1061-1 advisory.

- CVE-2026-4105: privilege escalation due to improper access control in RegisterMachine D-Bus method (bsc#1259650).
- CVE-2026-29111: local unprivileged user can trigger an assert in systemd (bsc#1259418).
- udev: check for invalid chars in various fields received from the kernel (bsc#1259697).

Changelog:

- 6a38d88a42 machined: reject invalid class types when registering machines
- 8c9a592e5a udev: fix review mixup
- b57007a917 udev-builtin-net-id: print cescaped bad attributes
- ee23c7604b udev-builtin-net_id: do not assume the current interface name is ethX
- 0f63e799e6 udev: ensure tag parsing stays within bounds
- 046f52ec12 udev: ensure there is space for trailing NUL before calling sprintf
- 5be21460ce udev: check for invalid chars in various fields received from the kernel
- 9559607b16 core/cgroup: avoid one unnecessary strjoina()
- fcae348ca4 core: validate input cgroup path more prudently
- a3ca6b3031 alloc-util: add strdupa_safe() + strndupa_safe() and use it everywhere
- 08125d6b06 units: add dep on systemd-logind.service by [email protected]

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: Medium

ID: 303956

File Name: suse_SU-2026-1061-1.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 3/27/2026

Updated: 3/27/2026

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-4105

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2026-29111

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libudev1, p-cpe:/a:novell:suse_linux:libudev1-32bit, p-cpe:/a:novell:suse_linux:udev, p-cpe:/a:novell:suse_linux:systemd-container, p-cpe:/a:novell:suse_linux:systemd, p-cpe:/a:novell:suse_linux:systemd-lang, p-cpe:/a:novell:suse_linux:systemd-devel, p-cpe:/a:novell:suse_linux:libsystemd0, p-cpe:/a:novell:suse_linux:libsystemd0-32bit, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:systemd-32bit, p-cpe:/a:novell:suse_linux:systemd-coredump, p-cpe:/a:novell:suse_linux:systemd-doc, p-cpe:/a:novell:suse_linux:systemd-sysvinit

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: 3/26/2026

Vulnerability Publication Date: 3/13/2026

Reference Information

CVE: CVE-2026-29111, CVE-2026-4105

SuSE: SUSE-SU-2026:1061-1

Detections

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