CVE-2020-27837 | BDVDB-2026-146521 Detail

gdm

Description#

A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit.

Impact#

No impact statement in the source data.

Weaknesses#

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

References#

https://bugzilla.redhat.com/show_bug.cgi?id=1906812

Exploit#

No public exploit known

History#

Version 12020-12-28Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.