CVE-2017-12164: Gnome Display Manager

Medium severity, CVSS 6.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.

Affected products

• Gnome Gnome Display Manager: version 3.24.1 only

Published 2018-07-26. Last modified 2026-06-17.