CVE-2016-7796
CVE-2016-7796
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 5.5 · Medium · EPSS 0.9% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
systemd Debian:12
- Affected ranges
- ECOSYSTEM: < 231-9
Update to 231-9
systemd Debian:13
- Affected ranges
- ECOSYSTEM: < 231-9
Update to 231-9
systemd Debian:14
- Affected ranges
- ECOSYSTEM: < 231-9
Update to 231-9
systemd Ubuntu:16.04:LTS
- Versions
- 225-1ubuntu9
- 227-2ubuntu1
- 227-2ubuntu2
- 228-1ubuntu2
- 228-2ubuntu1
- 228-2ubuntu2
- 228-3ubuntu1
- 228-4ubuntu1
- 228-4ubuntu2
- 228-5ubuntu1
- 228-5ubuntu2
- 228-5ubuntu3
- 228-6ubuntu1
- 229-1ubuntu2
- 229-1ubuntu4
- 229-2ubuntu1
- 229-3ubuntu1
- 229-3ubuntu2
- 229-4ubuntu1
- 229-4ubuntu4
- 229-4ubuntu5
- 229-4ubuntu6
- 229-4ubuntu7
- 229-4ubuntu8
- 229-4ubuntu10
- Affected ranges
- ECOSYSTEM: < 229-4ubuntu11
Update to 229-4ubuntu11
Original sources
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2016-7796