CVE-2022-2031 · cross-distro fix matrix

CVE-2022-2031: A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other servic

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

Fix per ecosystem

Each block below is a distro release where CVE-2022-2031 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

samba→ fixed in2:4.13.13+dfsg-1~deb11u5urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y samba
```

Debian bookworm

Source: Debian Security Tracker

samba→ fixed in2:4.16.4+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y samba
```

Debian trixie

Source: Debian Security Tracker

samba→ fixed in2:4.16.4+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y samba
```

Alpine v3.20

Source: Alpine secdb

samba→ fixed in4.15.9-r0
```
apk update && apk add --upgrade samba
```

Alpine v3.21

Source: Alpine secdb

samba→ fixed in4.15.9-r0
```
apk update && apk add --upgrade samba
```

Alpine edge

Source: Alpine secdb

samba→ fixed in4.15.9-r0
```
apk update && apk add --upgrade samba
```

Alpine v3.18

Source: Alpine secdb

samba→ fixed in4.15.9-r0
```
apk update && apk add --upgrade samba
```

Alpine v3.19

Source: Alpine secdb

samba→ fixed in4.15.9-r0
```
apk update && apk add --upgrade samba
```

Are YOU affected by CVE-2022-2031?

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

Continuous monitoring beats manual checking

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