CVE-2023-40303 · cross-distro fix matrix

CVE-2023-40303: GNU inetutils before 2.5 may allow privilege escalation because of unchecked return values of set*id() family functions in ftpd, rcp, rlogin, rsh, rshd, and uucpd. This is, for example, relevant if the setuid system call fails when a process is trying to drop privileges before letting an ordinary us

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

Fix per ecosystem

Each block below is a distro release where CVE-2023-40303 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

inetutils→ fixed in2:2.0-1+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y inetutils
```

Debian bookworm

Source: Debian Security Tracker

inetutils→ fixed in2:2.4-2+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y inetutils
```

Debian trixie

Source: Debian Security Tracker

inetutils→ fixed in2:2.4-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y inetutils
```

Are YOU affected by CVE-2023-40303?

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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