CVE-2016-2568

Published: 13 February 2017

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.

Priority

Low

CVSS 3 base score: 7.8

Status

Package Release Status
policykit-1
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 21.04 (Hirsute Hippo) Deferred
(2019-03-20)
Ubuntu 20.10 (Groovy Gorilla) Deferred
(2019-03-20)
Ubuntu 20.04 LTS (Focal Fossa) Deferred
(2019-03-20)
Ubuntu 18.04 LTS (Bionic Beaver) Deferred
(2019-03-20)
Ubuntu 16.04 ESM (Xenial Xerus) Deferred
(2019-03-20)
Ubuntu 14.04 ESM (Trusty Tahr) Deferred
(2019-03-20)