This bug was fixed in the package lxc - 2.0.5-0ubuntu1~ubuntu16.04.3
--------------- lxc (2.0.5-0ubuntu1~ubuntu16.04.3) xenial-security; urgency=medium
* SECURITY UPDATE: Escape through ptrace and inherited fd (LP: #1639345) - attach: Do not send procfd to attached process - CVE-2016-8649
-- Stéphane Graber <email address hidden> Tue, 22 Nov 2016 00:49:00 -0500
This bug was fixed in the package lxc - 2.0.5-0ubuntu1~ ubuntu16. 04.3
--------------- 0ubuntu1~ ubuntu16. 04.3) xenial-security; urgency=medium
lxc (2.0.5-
* SECURITY UPDATE: Escape through ptrace and inherited fd (LP: #1639345)
- attach: Do not send procfd to attached process
- CVE-2016-8649
-- Stéphane Graber <email address hidden> Tue, 22 Nov 2016 00:49:00 -0500