Bug 2447267

Summary: CVE-2026-4105 systemd: systemd: Privilege escalation via improper access control in RegisterMachine D-Bus method [fedora-all]
Product: [Fedora] Fedora Reporter: Abhishek Raj <abhraj>
Component: systemdAssignee: systemd-maint
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: daan.j.demeyer, fedoraproject, lnykryn, msekleta, suraj.ghimire7, systemd-maint, yuwatana, zbyszek
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["a3a049fa-f193-49a4-a9c9-e0d1863e6535"]}
Fixed In Version: systemd-260~rc3-1.fc45 systemd-258.7-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-15 00:56:58 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2447262    

Description Abhishek Raj 2026-03-13 08:40:03 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-03-13 09:04:47 UTC
FEDORA-2026-0cde3e4697 (systemd-259.4-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0cde3e4697

Comment 2 Fedora Update System 2026-03-13 09:06:40 UTC
FEDORA-2026-965f164001 (systemd-258.6-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-965f164001

Comment 3 Fedora Update System 2026-03-14 00:05:39 UTC
FEDORA-2026-0e8eeb6a8a (systemd-258.7-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-0e8eeb6a8a

Comment 4 Fedora Update System 2026-03-15 00:56:58 UTC
FEDORA-2026-0e8eeb6a8a (systemd-258.7-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-03-15 01:30:22 UTC
FEDORA-2026-67f57405ee has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-67f57405ee`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-67f57405ee

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.