Provide references for CVE-2015-2285.
Where can I find more information about CVE-2015-2285?
References are available at: https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1425685, http://seclists.org/fulldisclosure/2015/Mar/7, http://www.halfdog.net/Security/2015/UpstartLogrotationPrivilegeEscalation/, http://packetstormsecurity.com/files/130587/Ubuntu-Vivid-Upstart-Privilege-Escalation.html.