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SUSE Linux Compact Control framework escalation flaw CVE-2026-4210

suse
Calendar Grey March 26, 2026
Dist Suse Esm H88
Update for SUSE addresses critical issues in systemd, improving security and preventing access exploits.
An update that solves two vulnerabilities and has one 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%20covered

Topics Covered

security advisory SuSE privilege escalation important local access systemd

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:

* SUSE Linux Micro 6.1

* SUSE Linux Micro Extras 6.1

An update that solves two vulnerabilities and has one fix can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20827-1
Release Date: 2026-03-24T09:38:06Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE privilege escalation important local access systemd

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