CVE-2021-40797 · cross-distro fix matrix

CVE-2021-40797: An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performa

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-40797 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

neutron→ fixed in2:17.2.1-0+deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y neutron
```

Debian bookworm

Source: Debian Security Tracker

neutron→ fixed in2:19.0.0-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y neutron
```

Debian trixie

Source: Debian Security Tracker

neutron→ fixed in2:19.0.0-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y neutron
```

Are YOU affected by CVE-2021-40797?

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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