From: Kees Cook <keescook@chromium.org>
Date: Wed, 3 Jul 2013 22:01:14 +0000 (-0700)
Subject: block: do not pass disk names as format strings
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~17^2~416
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ffc8b30866879ed9ba62bd0a86fecdbd51cd3d19;p=pandora-kernel.git

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>
---

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