CVE-2016-7796 | BDVDB-2026-78782 Detail
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#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
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
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.