CVE-2016-7795: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

The manager_invoke_notify_message function in systemd 231 and earlier allows local users to cause a denial of service (assertion failure and PID 1 hang) via a zero-length message received over a notify socket.

Affected products

• Canonical Ubuntu Linux: version 16.04 only
• Systemd Project Systemd: up to and including 231

Published 2016-10-13. Last modified 2026-06-17.