CVE-2020-8558 · cross-distro fix matrix

CVE-2020-8558: The Kubelet and kube-proxy components in versions 1.1.0-1.16.10, 1.17.0-1.17.6, and 1.18.0-1.18.3 were found to contain a security issue which allows adjacent hosts to reach TCP and UDP services bound to 127.0.0.1 running on the node or in the node's network namespace. Such a service is generally th

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-8558 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

kubernetes→ fixed in1.18.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kubernetes
```

Debian bookworm

Source: Debian Security Tracker

kubernetes→ fixed in1.18.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kubernetes
```

Debian trixie

Source: Debian Security Tracker

kubernetes→ fixed in1.18.5-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y kubernetes
```

Are YOU affected by CVE-2020-8558?

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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