CVE-2012-4542
block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.
Date published : 2013-02-28
https://bugzilla.redhat.com/show_bug.cgi?id=875360
https://oss.oracle.com/git/?p=redpatch.git;a=commit;h=76a274e17114abf1a77de6b651424648ce9e10c8