Provide references for CVE-2011-4126.
Where can I find more information about CVE-2011-4126?
References are available at: https://git.zx2c4.com/calibre-mount-helper-exploit/about/, https://www.openwall.com/lists/oss-security/2011/11/02/2, https://bugs.launchpad.net/calibre/+bug/885027, https://lwn.net/Articles/464824/.