]> git.karo-electronics.de Git - karo-tx-linux.git/commit
block: do not pass disk names as format strings
authorKees Cook <keescook@chromium.org>
Wed, 3 Jul 2013 22:01:14 +0000 (15:01 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 3 Jul 2013 23:07:25 +0000 (16:07 -0700)
commitffc8b30866879ed9ba62bd0a86fecdbd51cd3d19
tree21fdc09c7011ed9a1b85e98f7718a58a2c903d32
parent542db01579fbb7ea7d1f7bb9ddcef1559df660b2
block: do not pass disk names as format strings

Disk names may contain arbitrary strings, so they must not be
interpreted as format strings.  It seems that only md allows arbitrary
strings to be used for disk names, but this could allow for a local
memory corruption from uid 0 into ring 0.

CVE-2013-2851

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
block/genhd.c
drivers/block/nbd.c
drivers/scsi/osd/osd_uld.c