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CVE-2016-2779
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the…
High7.8EPSS 0.39%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 67% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (3)
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922 (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20160226 CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20160227 Re: CVE Request: util-linux runuser tty hijacking via TIOCSTI ioctl (opens in a new tab)mailing-listx_refsource_MLISTx_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 .