CVE-2026-25704 - Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData
CVE ID :CVE-2026-25704
Published : March 30, 2026, 8:16 a.m. | 49 minutes ago
Description :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.
Severity: 5.8 | MEDIUM
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Published : March 30, 2026, 8:16 a.m. | 49 minutes ago
Description :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.
Severity: 5.8 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...