What’s Vulnerable › Vulnerabilities

CVE-2016-2779

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-07 · updated 2026-06-17
• Weakness: CWE-264

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.

Affected products

• util-linux: 2.24.2-1

References

• http://www.openwall.com/lists/oss-security/2016/02/27/1
• http://www.openwall.com/lists/oss-security/2016/02/27/2
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922
• http://www.openwall.com/lists/oss-security/2016/02/27/1
• http://www.openwall.com/lists/oss-security/2016/02/27/2
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815922

Get alerted when CVE-2016-2779 or the next vulnerability affects your stack