CVE-2016-8649 · cross-distro fix matrix

CVE-2016-8649: lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.

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

Fix per ecosystem

Each block below is a distro release where CVE-2016-8649 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

lxc→ fixed in1:2.0.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxc
```

Debian bookworm

Source: Debian Security Tracker

lxc→ fixed in1:2.0.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxc
```

Debian trixie

Source: Debian Security Tracker

lxc→ fixed in1:2.0.6-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxc
```

Are YOU affected by CVE-2016-8649?

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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