CVE-2019-3811 · cross-distro fix matrix

CVE-2019-3811: A vulnerability was found in sssd. If a user was configured with no home directory set, sssd would return '/' (the root directory) instead of '' (the empty string / no home directory). This could impact services that restrict the user's filesystem access to within their home directory through chroot

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-3811 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

sssd→ fixed in2.2.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y sssd
```

Debian bookworm

Source: Debian Security Tracker

sssd→ fixed in2.2.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y sssd
```

Debian trixie

Source: Debian Security Tracker

sssd→ fixed in2.2.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y sssd
```

Are YOU affected by CVE-2019-3811?

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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