CVE-2016-7795

systemd: Assertion failure when PID 1 receives a zero-length message over notify socket

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Severity

Moderate

Red Hat Product Security

6.8

CVSS 3.0

Review impact separately from score.

Published · September 28, 2016

Updated · November 21, 2025

Description

A flaw was found in the way systemd handled empty notification messages. A local attacker could use this flaw to make systemd freeze its execution, preventing further management of system services, system shutdown, or zombie process collection via systemd.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 6.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CVSS 2.0 · 5.6
AV:L/AC:L/Au:N/C:N/I:P/A:C

CWE-617 · Reachable Assertion