CVE-2025-47712 · cross-distro fix matrix

CVE-2025-47712: A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-47712 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

nbdkit→ fixed in1.42.3-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nbdkit
```

Are YOU affected by CVE-2025-47712?

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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