VDB

CVE-2016-2568

CVE-2016-2568 PUBLISHED CVSS 7.800000190734863 HIGH

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.

EPSS 0.37% · 28.0th percentile

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.37%
28.0th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:16.04:LTSpolicykit-10.105-11ubuntu2, 0.105-14.1ubuntu0.5+esm1, 0.105-14.1ubuntu0.5
Ubuntu:22.04:LTSpolicykit-10.105-33, 0, 0.105-31
Ubuntu:24.04:LTSpolicykit-1124-1, 123-3, 123-1
Ubuntu:18.04:LTSpolicykit-10.105-20ubuntu0.18.04.5, 0.105-20ubuntu0.18.04.1, 0.105-20
Ubuntu:25.10policykit-10, 126-2
Ubuntu:20.04:LTSpolicykit-10.105-26ubuntu1.3, 0.105-26ubuntu1.1, 0.105-26ubuntu1
Ubuntu:Pro:14.04:LTSpolicykit-10.105-4ubuntu2, 0.105-4ubuntu2.14.04.1, 0.105-4ubuntu3.14.04.5

Timeline

  • Feb 13, 2017 CVE Published
  • Feb 4, 2022 EPSS Score
  • Mar 29, 2022 EPSS Score
  • May 21, 2022 EPSS Score
  • Jul 13, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Oct 28, 2022 EPSS Score
  • Dec 20, 2022 EPSS Score
  • Feb 11, 2023 EPSS Score
  • Mar 7, 2023 EPSS Score
  • Apr 6, 2023 EPSS Score
  • May 29, 2023 EPSS Score
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