Provide references for CVE-2016-9644.
Where can I find more information about CVE-2016-9644?
References are available at: http://www.ubuntu.com/usn/USN-3146-2, http://www.securityfocus.com/bid/94545, http://www.ubuntu.com/usn/USN-3146-1, http://www.openwall.com/lists/oss-security/2016/11/07/4, https://lwn.net/Articles/705220/.