vulnerability

Debian: CVE-2020-27837: gdm3 -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Dec 28, 2020
Added
Jul 30, 2024
Modified
Aug 15, 2025

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.

Solution

debian-upgrade-gdm3
Title
NEW

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