The aac_compat_ioctl function in drivers/scsi/aacraid/linit.c in the Linux kernel before 3.11.8 does not require the CAP_SYS_RAWIO capability, which allows local users to bypass intended access restrictions via a crafted ioctl call.
https://github.com/torvalds/linux/commit/f856567b930dfcdbc3323261bf77240ccdde01f5
https://bugzilla.redhat.com/show_bug.cgi?id=1033530
http://www.ubuntu.com/usn/USN-2108-1
http://www.ubuntu.com/usn/USN-2107-1
http://www.ubuntu.com/usn/USN-2076-1
http://www.ubuntu.com/usn/USN-2075-1
http://www.ubuntu.com/usn/USN-2074-1
http://www.ubuntu.com/usn/USN-2073-1
http://www.ubuntu.com/usn/USN-2072-1
http://www.ubuntu.com/usn/USN-2071-1
http://www.ubuntu.com/usn/USN-2070-1
http://www.ubuntu.com/usn/USN-2069-1
http://www.ubuntu.com/usn/USN-2068-1
http://www.ubuntu.com/usn/USN-2067-1
http://www.ubuntu.com/usn/USN-2066-1
http://www.openwall.com/lists/oss-security/2013/11/22/5
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.8
http://rhn.redhat.com/errata/RHSA-2014-0285.html