Description: block: default SCSI command filter does not accomodate commands overlap across device classes
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-4542
 https://lkml.org/lkml/2013/1/24/279
 https://oss.oracle.com/git/?p=redpatch.git;a=commitdiff;h=76a274e17114abf1a77de6b651424648ce9e10c8
Notes:
 jmm> the patches from https://lkml.org/lkml/2013/1/24/279 are not merged as of 2013-11-18
 jmm> Apparently an upstream fix is no longer planned/in the works
Bugs:
upstream: needed "no upstream fix as of 2013.11.19"
2.6.32-upstream-stable: ignored "too intrusive to backport"
sid: needed "no upstream fix as of 2013.11.19"
2.6.32-squeeze-security: ignored "too intrusive to backport"
3.2-upstream-stable: needed "no upstream fix as of 2013.11.19"
3.2-wheezy-security: needed "no upstream fix as of 2013.11.19"