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Status published
Medium
CVE-2016-7796
The manager_dispatch_notify_fd function in systemd allows local users to cause...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2016/09/30/1
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet
- https://github.com/systemd/systemd/issues/4234#issuecomment-250441246
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1381911
- http://rhn.redhat.com/errata/RHSA-2017-0003.html
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html
- http://www.securitytracker.com/id/1037320
- http://www.securityfocus.com/bid/93250
- https://rhn.redhat.com/errata/RHBA-2015-2092.html
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Affected Vendor
systemd project
View all reports →Affected Software
systemd, suse linux enterprise software development kit, suse linux enterprise desktop, suse linux enterprise server, suse linux enterprise server for sap, enterprise linux desktop, enterprise linux hpc node, enterprise linux server, enterprise linux workstation
Vulnerable Versions:
209, 213, 214, 229, 12.0, 12, 7.0
Timeline
Official Publish:
October 13th, 2016
Last Modified:
August 6th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.