CVE-2026-4105 · cross-distro fix matrix

CVE-2026-4105: A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation of the class parameter in the RegisterMachine D-Bus (Desktop Bus) method. A local unprivileged user can exploit this by attempting to register a machine with a s

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

Fix per ecosystem

Each block below is a distro release where CVE-2026-4105 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

systemd→ fixed in247.3-7+deb11u8urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y systemd
```

Are YOU affected by CVE-2026-4105?

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

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