Medium severity5.5NVD Advisory· Published Oct 13, 2016· Updated May 6, 2026
CVE-2016-7796
CVE-2016-7796
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.
Affected products
13- cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:sp1:*:*:*:*:*:*
- cpe:2.3:o:novell:suse_linux_enterprise_desktop:12:sp1:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*+ 1 more
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:*:*:*:ltss:*:*:*
- cpe:2.3:o:novell:suse_linux_enterprise_server:12.0:sp1:*:*:*:*:*:*
- cpe:2.3:o:novell:suse_linux_enterprise_server_for_sap:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:systemd_project:systemd:209:*:*:*:*:*:*:*
- cpe:2.3:a:systemd_project:systemd:213:*:*:*:*:*:*:*
- cpe:2.3:a:systemd_project:systemd:214:*:*:*:*:*:*:*
- cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
10- github.com/systemd/systemd/issues/4234nvdExploitPatchVendor Advisory
- www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweetnvdExploitTechnical DescriptionThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.htmlnvdThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.htmlnvdThird Party Advisory
- www.openwall.com/lists/oss-security/2016/09/30/1nvdThird Party Advisory
- www.securityfocus.com/bid/93250nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryVDB Entry
- rhn.redhat.com/errata/RHBA-2015-2092.htmlnvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2017-0003.htmlnvd
- www.securitytracker.com/id/1037320nvd
News mentions
0No linked articles in our index yet.