cciss: fix info leak in cciss_ioctl32_passthru()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 24 Sep 2013 22:27:45 +0000 (15:27 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 25 Sep 2013 00:00:26 +0000 (17:00 -0700)
commit58f09e00ae095e46ef9edfcf3a5fd9ccdfad065e
treeb3420bf07c846d71a4d38802177d2d0b215b6f14
parent627aad1c01da6f881e7f98d71fd928ca0c316b1a
cciss: fix info leak in cciss_ioctl32_passthru()

The arg64 struct has a hole after ->buf_size which isn't cleared.  Or if
any of the calls to copy_from_user() fail then that would cause an
information leak as well.

This was assigned CVE-2013-2147.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/block/cciss.c