Provide references for CVE-2009-4011.
Where can I find more information about CVE-2009-4011?
References are available at: https://security-tracker.debian.org/tracker/CVE-2009-4011, https://tracker.debian.org/media/packages/d/dtc-xen/changelog-0.5.17-1.1, https://bugs.launchpad.net/ubuntu/+source/dtc-xen/+bug/505072.