CVE-2016-7796
MEDIUM 5.5EPSS 0.9%
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 v3.0 NVD
- 5.5 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 4.9 MEDIUM
AV:L/AC:L/Au:N/C:N/I:N/A:C - EPSS
- 0.85% chance of exploitation in the next 30 days, 58th percentile
- Published
- 2016-10-13
- Updated
- 2024-08-06
Proof-of-concept exploits (1)
- systemd/systemd/issues/4234#issuecomment-25044124616843★ · 2026-10-17
Security advisories
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html
- http://www.openwall.com/lists/oss-security/2016/09/30/1
- http://www.securityfocus.com/bid/93250
- https://bugzilla.redhat.com/show_bug.cgi?id=1381911
- https://rhn.redhat.com/errata/RHBA-2015-2092.html
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet