CVE-2018-14424 · cross-distro fix matrix

CVE-2018-14424: The daemon in GDM through 3.29.1 does not properly unexport display objects from its D-Bus interface when they are destroyed, which allows a local attacker to trigger a use-after-free via a specially crafted sequence of D-Bus method calls, resulting in a denial of service or potential code execution

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-14424 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

gdm3→ fixed in3.28.2-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdm3
```

Debian bookworm

Source: Debian Security Tracker

gdm3→ fixed in3.28.2-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdm3
```

Debian trixie

Source: Debian Security Tracker

gdm3→ fixed in3.28.2-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdm3
```

Are YOU affected by CVE-2018-14424?

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.

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