Provide references for CVE-2015-4001.
Where can I find more information about CVE-2015-4001?
References are available at: http://www.ubuntu.com/usn/USN-2665-1, http://www.securityfocus.com/bid/74672, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c, http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html, https://github.com/torvalds/linux/commit/b1bb5b49373b61bf9d2c73a4d30058ba6f069e4c, http://openwall.com/lists/oss-security/2015/06/05/7, http://www.ubuntu.com/usn/USN-2667-1.