Provide references for CVE-2017-9217.
Where can I find more information about CVE-2017-9217?
References are available at: https://github.com/systemd/systemd/pull/5998, https://launchpad.net/bugs/1621396, https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be, http://www.securityfocus.com/bid/98677.