### [CVE-2016-7796](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7796) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### 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. ### POC #### Reference - http://www.openwall.com/lists/oss-security/2016/09/30/1 - https://github.com/systemd/systemd/issues/4234#issuecomment-250441246 #### Github No PoCs found on GitHub currently.