CVE-2021-3570 · cross-distro fix matrix

CVE-2021-3570: A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports allows a remote attacker to cause an information leak, crash, or potentially remote code execution. The highest threat from this vulnerability is to data confidentiality

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-3570 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

linuxptp→ fixed in3.1-2.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linuxptp
```

Debian bookworm

Source: Debian Security Tracker

linuxptp→ fixed in3.1-2.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linuxptp
```

Debian trixie

Source: Debian Security Tracker

linuxptp→ fixed in3.1-2.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linuxptp
```

Are YOU affected by CVE-2021-3570?

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