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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…
Medium5.5EPSS 0.85%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.85% · top 42% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (10)
- [oss-security] 20160930 Re: CVE Request: systemd v209+: local denial-of-service attack (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.agwa.name/blog/post/how_to_crash_systemd_in_one_tweet (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/systemd/systemd/issues/4234#issuecomment-250441246 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2016:2475 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1381911 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:0003 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SU-2016:2476 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1037320 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 93250 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHBA-2015:2092 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .