CVE-2015-1822
chrony before 1.31.1 does not initialize the last "next" pointer when saving unacknowledged replies to command requests, which allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and daemon crash) or possibly execute arbitrary code via a large number of command requests.
Date published : 2015-04-16
http://www.securityfocus.com/bid/73956
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html