CVE-2023-51384 · cross-distro fix matrix

CVE-2023-51384: In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.

Affects 6 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-51384 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

openssh→ fixed in1:9.2p1-2+deb12u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Debian trixie

Source: Debian Security Tracker

openssh→ fixed in1:9.6p1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y openssh
```

Alpine v3.20

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Alpine v3.21

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Alpine edge

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Alpine v3.19

Source: Alpine secdb

openssh→ fixed in9.6_p1-r0
```
apk update && apk add --upgrade openssh
```

Are YOU affected by CVE-2023-51384?

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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