Description: possible privilege escalation via SG_IO ioctl
References:
 https://lkml.org/lkml/2011/12/22/270
 https://bugzilla.redhat.com/show_bug.cgi?id=752375
Notes:
Bugs:
upstream: released (3.3-rc1) [577ebb374c78314ac4617242f509e2f5e7156649, 0bfc96cb77224736dfa35c3c555d37b3646ef35e, ec8013beddd717d1740cfefb1a9b900deef85462]
2.6.32-upstream-stable: released (2.6.32.56)
sid: released (3.1.8-1)
2.6.32-squeeze-security: released (2.6.32-39squeeze1) [bugfix/all/add-scsi_cmd_blk_ioctl-wrapper.patch, bugfix/all/limit-ioctls-forwarded-to-non-scsi-devices.patch, bugfix/all/treat-lvs-on-one-pv-like-a-partition.patch]
2.6.26-lenny-security: released (2.6.26-28) [bugfix/all/block-add-and-use-scsi_blk_cmd_ioctl.patch, bugfix/all/block-fail-SCSI-passthrough-ioctls-on-partition-devices.patch, bugfix/all/dm-do-not-forward-ioctls-from-logical-volumes-to-the-underlying-device.patch]