CVE-2026-25704

The CVE-2026-25704 entry concerns cosmic-greeter and describes a TOCTOU race condition that can allow a local attacker to regain privileges that should have been dropped due to incomplete privilege dropping in the GetUserData flow. Multiple connected feeds corroborate that the issue affects cosmi...

USN-6882-2 cinder regression

USN-6882-1 fixed vulnerabilities in Cinder. The update caused a regression in certain environments due to incorrect privilege handling. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Martin Kaesberger discovered that Cinder incorrectly handled QCOW2...