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SUSE Linux Micro 6.1 Important Systemd Escape to Host CVE-2026-40226

suse
Calendar Grey July 27, 2026
Scroller Suse
An important security update for systemd in SUSE addresses one vulnerability and includes system optimizations.
A security update for systemd addresses CVE-2026-40226, fixing a vulnerability and providing five additional bug fixes for SUSE Linux Micro 6.1; a system reboot is recommended afte...

Summary

## This update for systemd fixes the following issues Security issues fixed: * CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400). Other updates and bugfixes: * Import commit 260e668bfa (bsc#1267647 bsc#1262305 bsc#1267644). * Import commit 58e5d2e21e (bsc#1261982). * Import commit 4bd91117cc (bsc#1261983).

Topics%20covered

Topics Covered

security advisory SuSE important systemd escape-to-host CVE-2026-40226

References

* bsc#1261400

* bsc#1261982

* bsc#1261983

* bsc#1262305

* bsc#1267644

* bsc#1267647

Cross-

* CVE-2026-40226

CVSS scores:

* CVE-2026-40226 ( SUSE ): 7.1

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-40226 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-40226 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* SUSE Linux Micro 6.1

An update that solves one vulnerability and has five fixes can now be installed.

##

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

* https://bugzilla.suse.com/show_bug.cgi?id=1261400

* https://bugzilla.suse.com/show_bug.cgi?id=1261982

* https://bugzilla.suse.com/show_bug.cgi?id=1261983

* https://bugzilla.suse.com/show_bug.cgi?id=1262305

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22890-1
Release Date: 2026-07-21T18:32:40Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important systemd escape-to-host CVE-2026-40226

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