CVE-2016-7796

Severity
5.5MEDIUM
EPSS
0.4%
top 40.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 13
Latest updateMay 17

Description

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages10 packages

Patches

🔴Vulnerability Details

3
GHSA
GHSA-cm6j-6m6x-hmjq: The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received ov2022-05-17
OSV
CVE-2016-7796: The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received ov2016-10-13
CVEList
CVE-2016-7796: The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received ov2016-10-13

📋Vendor Advisories

2
Red Hat
systemd: freeze when PID 1 receives a zero-length message over notify socket2016-09-28
Debian
CVE-2016-7796: systemd - The manager_dispatch_notify_fd function in systemd allows local users to cause a...2016

💬Community

1
Bugzilla
CVE-2016-7796 systemd: freeze when PID 1 receives a zero-length message over notify socket2016-10-05