VULNERABILITY INTELLIGENCE

CVE-2016-2568

CVSS score7.8 HIGH
EPSS probability0.37%
CISA KEVNot currently listed
Published2017-02-13
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

pkexec, when used with --user nonpriv, allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.

Weakness classification

  • CWE-116: Improper Encoding or Escaping of Output

Primary references