openSUSE Systemd Important Access Control Issues Vulnerability 2026-1061-1
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: * 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
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:
* openSUSE Leap 15.4
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise High Performance Computing 15 SP5
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Announcement ID: SUSE-SU-2026:1061-1
Release Date: 2026-03-26T10:36:03Z
Rating: important
Topics Covered
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