The raw_cmd_copyout function in drivers/block/floppy.c in the Linux kernel through 3.14.3 does not properly restrict access to certain pointers during processing of an FDRAWCMD ioctl call, which allows local users to obtain sensitive information from kernel heap memory by leveraging write access to a /dev/fd device.
https://github.com/torvalds/linux/commit/2145e15e0557a01b9195d1c7199a1b92cb9be81f
https://bugzilla.redhat.com/show_bug.cgi?id=1094299
http://www.securitytracker.com/id/1030474
http://www.securityfocus.com/bid/67302
http://www.openwall.com/lists/oss-security/2014/05/09/2
http://www.debian.org/security/2014/dsa-2928
http://www.debian.org/security/2014/dsa-2926
http://secunia.com/advisories/59599
http://secunia.com/advisories/59406
http://secunia.com/advisories/59309
http://secunia.com/advisories/59262
http://rhn.redhat.com/errata/RHSA-2014-0801.html
http://rhn.redhat.com/errata/RHSA-2014-0800.html
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00007.html
http://linux.oracle.com/errata/ELSA-2014-3043.html