VulnerabilityModified
CVE-2016-7796
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.
MEDIUM 5.5EPSS 0.85%
Does this matter?
Lower severity and a low EPSS score (0.85%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- systemd project/systemd · novell/suse linux enterprise software development kit · novell/suse linux enterprise desktop · novell/suse linux enterprise server · novell/suse linux enterprise server for sap · redhat/enterprise linux desktop · redhat/enterprise linux hpc node · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0003.html
- http://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
- http://www.securityfocus.com/bid/93250Third Party Advisory
- http://www.securitytracker.com/id/1037320
- https://bugzilla.redhat.com/show_bug.cgi?id=1381911Issue Tracking, Third Party Advisory, VDB Entry
- https://github.com/systemd/systemd/issues/4234#issuecomment-250441246Exploit, Patch, Vendor Advisory
- https://rhn.redhat.com/errata/RHBA-2015-2092.htmlThird Party Advisory
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweetExploit, Technical Description, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0003.html
- http://www.openwall.com/lists/oss-security/2016/09/30/1Third Party Advisory
- http://www.securityfocus.com/bid/93250Third Party Advisory
- http://www.securitytracker.com/id/1037320
- https://bugzilla.redhat.com/show_bug.cgi?id=1381911Issue Tracking, Third Party Advisory, VDB Entry
- https://github.com/systemd/systemd/issues/4234#issuecomment-250441246Exploit, Patch, Vendor Advisory
- https://rhn.redhat.com/errata/RHBA-2015-2092.htmlThird Party Advisory
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweetExploit, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.