CVE-2020-14367 · cross-distro fix matrix

CVE-2020-14367: A flaw was found in chrony versions before 3.5.1 when creating the PID file under the /var/run/chrony folder. The file is created during chronyd startup while still running as the root user, and when it's opened for writing, chronyd does not check for an existing symbolic link with the same file nam

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-14367 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

chrony→ fixed in3.5.1-1urgency: unimportant

sudo apt-get install --only-upgrade -y chrony

Debian bookworm

Source: Debian Security Tracker

chrony→ fixed in3.5.1-1urgency: unimportant

sudo apt-get install --only-upgrade -y chrony

Debian trixie

Source: Debian Security Tracker

chrony→ fixed in3.5.1-1urgency: unimportant

sudo apt-get install --only-upgrade -y chrony

Alpine v3.20

Source: Alpine secdb

chrony→ fixed in3.5.1-r0
```
apk update && apk add --upgrade chrony
```

Alpine v3.21

Source: Alpine secdb

chrony→ fixed in3.5.1-r0
```
apk update && apk add --upgrade chrony
```

Alpine edge

Source: Alpine secdb

chrony→ fixed in3.5.1-r0
```
apk update && apk add --upgrade chrony
```

Alpine v3.18

Source: Alpine secdb

chrony→ fixed in3.5.1-r0
```
apk update && apk add --upgrade chrony
```

Alpine v3.19

Source: Alpine secdb

chrony→ fixed in3.5.1-r0
```
apk update && apk add --upgrade chrony
```

Are YOU affected by CVE-2020-14367?

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