Bug 2452956 (CVE-2026-25704) - CVE-2026-25704 cosmic-greeter: cosmic-greeter: Privilege escalation via TOCTOU race condition
Summary: CVE-2026-25704 cosmic-greeter: cosmic-greeter: Privilege escalation via TOCTO...
Keywords:
Status: NEW
Alias: CVE-2026-25704
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2452966
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-30 09:01 UTC by OSIDB Bzimport
Modified: 2026-03-30 10:22 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-03-30 09:01:42 UTC 
A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in  cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic.




This issue affects cosmic-greeter before https://github.Com/pop-os/cosmic-greeter/pull/426.
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