Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData_CVE-2026-25704

5.8 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-25704

Source suse

Published Mar 30, 2026 at 07:44

Modified Mar 30, 2026 at 15:16

Affected Product

Vendor pop-os

Product cosmic-greeter

Version ?

Affected Versions pop-os cosmic-greeter ?

CWE Classification

CWE-271 CWE-367

References

bugzilla.suse.com /show_bug.cgi

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    "published": "2026-03-30T07:44:39.672Z",
    "modified": "2026-03-30T15:16:08.947Z",
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