| Subject | Re: [v2.6.34-stable 60/77] udf: Avoid run away loop when partition table length is corrupted | From | Ben Hutchings <> | Date | Thu, 10 Jan 2013 14:43:24 +0000 |
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On Tue, 2013-01-08 at 18:35 -0500, Paul Gortmaker wrote: > From: Jan Kara <jack@suse.cz> > > ------------------- > This is a commit scheduled for the next v2.6.34 longterm release. > http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git > If you see a problem with using this for longterm, please comment. > ------------------- > > commit adee11b2085bee90bd8f4f52123ffb07882d6256 upstream. > > Check provided length of partition table so that (possibly maliciously) > corrupted partition table cannot cause accessing data beyond current buffer. > > Signed-off-by: Jan Kara <jack@suse.cz> > [PG: in 2.6.34 udf_err() is called udf_error()] > Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> [...]
There's a follow-up I think you should add:
commit 57b9655d01ef057a523e810d29c37ac09b80eead Author: Jan Kara <jack@suse.cz> Date: Tue Jul 10 17:58:04 2012 +0200
udf: Improve table length check to avoid possible overflow
Ben.
-- Ben Hutchings If you seem to know what you are doing, you'll be given more to do. [unhandled content-type:application/pgp-signature] |