CVE-2004-2768 · cross-distro fix matrix

CVE-2004-2768: dpkg 1.9.21 does not properly reset the metadata of a file during replacement of the file in a package upgrade, which might allow local users to gain privileges by creating a hard link to a vulnerable (1) setuid file, (2) setgid file, or (3) device, a related issue to CVE-2010-2059.

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

Fix per ecosystem

Each block below is a distro release where CVE-2004-2768 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

dpkg→ fixed in1.10.19urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dpkg
```

Debian bookworm

Source: Debian Security Tracker

dpkg→ fixed in1.10.19urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dpkg
```

Debian trixie

Source: Debian Security Tracker

dpkg→ fixed in1.10.19urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y dpkg
```

Are YOU affected by CVE-2004-2768?

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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