SUSE Linux 15 systemd Important Access Control Issues 2026-1040-1
suse
March 26, 2026
An update that solves two vulnerabilities and has one security fix can now be installed.
Summary
## This update for systemd fixes the following issues: * 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: * a943e3ce2f machined: reject invalid class types when registering machines * 71593f77db udev: fix review mixup * 73a89810b4 udev-builtin-net-id: print cescaped bad attributes * 0f360bfdc0 udev-builtin-net_id: do not assume the current interface name is ethX * 40905232e2 udev: ensure tag parsing stays within bounds * 7bce9026e3 udev: ensure there is space for trailing NUL before calling sprintf
Topics Covered
References
* bsc#1259418
* bsc#1259650
* bsc#1259697
Cross-
* CVE-2026-29111
* CVE-2026-4105
CVSS scores:
* CVE-2026-29111 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-29111 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-29111 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-4105 ( SUSE ): 7.3
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2026-4105 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-4105 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Affected Products:
* Basesystem Module 15-SP7
* openSUSE Leap 15.6
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP6
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:1040-1
Release Date: 2026-03-25T12:43:25Z
Rating: important
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!