CVE-2018-6556 · cross-distro fix matrix

CVE-2018-6556: lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-6556 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

lxc→ fixed in1:2.0.9-6.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxc
```

Debian bookworm

Source: Debian Security Tracker

lxc→ fixed in1:2.0.9-6.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxc
```

Debian trixie

Source: Debian Security Tracker

lxc→ fixed in1:2.0.9-6.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y lxc
```

Alpine v3.20

Source: Alpine secdb

lxc→ fixed in2.1.1-r9
```
apk update && apk add --upgrade lxc
```

Alpine v3.21

Source: Alpine secdb

lxc→ fixed in2.1.1-r9
```
apk update && apk add --upgrade lxc
```

Alpine edge

Source: Alpine secdb

lxc→ fixed in2.1.1-r9
```
apk update && apk add --upgrade lxc
```

Alpine v3.18

Source: Alpine secdb

lxc→ fixed in2.1.1-r9
```
apk update && apk add --upgrade lxc
```

Alpine v3.19

Source: Alpine secdb

lxc→ fixed in2.1.1-r9
```
apk update && apk add --upgrade lxc
```

Are YOU affected by CVE-2018-6556?

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.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

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