Format string vulnerability in the register_disk function in block/genhd.c in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and writing format string specifiers to /sys/module/md_mod/parameters/new_array in order to create a crafted /dev/md device name.
lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html
lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
marc.info/?l=linux-kernel&m=137055204522556&w=2
rhn.redhat.com/errata/RHSA-2013-1645.html
rhn.redhat.com/errata/RHSA-2013-1783.html
rhn.redhat.com/errata/RHSA-2014-0284.html
www.debian.org/security/2013/dsa-2766
www.openwall.com/lists/oss-security/2013/06/06/13
www.ubuntu.com/usn/USN-1912-1
www.ubuntu.com/usn/USN-1913-1
www.ubuntu.com/usn/USN-1941-1
www.ubuntu.com/usn/USN-1942-1
bugzilla.redhat.com/show_bug.cgi?id=969515