CVE-2017-12164 · cross-distro fix matrix

CVE-2017-12164: 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.

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-12164 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

gdm3→ fixed in3.26.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdm3
```

Debian bookworm

Source: Debian Security Tracker

gdm3→ fixed in3.26.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdm3
```

Debian trixie

Source: Debian Security Tracker

gdm3→ fixed in3.26.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y gdm3
```

Are YOU affected by CVE-2017-12164?

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