EUVD-2026-11774
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4Tags
Description
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 specific class value, which may leave behind a usable, attacker-controlled machine object. This allows the attacker to invoke methods on the privileged object, leading to the execution of arbitrary commands with root privileges on the host system.
Analysis
High severity vulnerability in systemd. A flaw was found in systemd. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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Priority Score
Vendor Status
Debian
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye | vulnerable | 247.3-7+deb11u5 | - |
| bullseye (security) | vulnerable | 247.3-7+deb11u7 | - |
| bookworm | vulnerable | 252.39-1~deb12u1 | - |
| bookworm (security) | vulnerable | 252.38-1~deb12u1 | - |
| trixie | vulnerable | 257.9-1~deb13u1 | - |
| forky | vulnerable | 260~rc2-1 | - |
| sid | fixed | 260~rc3-1 | - |
| (unstable) | fixed | 260~rc3-1 | - |
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External POC / Exploit Code
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