CVE-2019-3825 · cross-distro fix matrix

CVE-2019-3825: A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-3825 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

gdm3→ fixed in3.30.2-3urgency: low

sudo apt-get install --only-upgrade -y gdm3

Debian bookworm

Source: Debian Security Tracker

gdm3→ fixed in3.30.2-3urgency: low

sudo apt-get install --only-upgrade -y gdm3

Debian trixie

Source: Debian Security Tracker

gdm3→ fixed in3.30.2-3urgency: low

sudo apt-get install --only-upgrade -y gdm3

Are YOU affected by CVE-2019-3825?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

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