Re: [49/74] netfilter: h323: bug in parsing of ASN1 SEQOF field

From: Greg KH
Date: Wed Apr 13 2011 - 12:18:35 EST


On Wed, Apr 13, 2011 at 06:03:39PM +0200, Patrick McHardy wrote:
> Am 13.04.2011 17:51, schrieb Greg KH:
> > 2.6.32-longterm review patch. If anyone has any objections, please let us know.
> >
> > ------------------
> >
> > From: David Sterba <dsterba@xxxxxxx>
> >
> > commit b4232a22776aa5d063f890d21ca69870dbbe431b upstream.
> >
> > Static analyzer of clang found a dead store which appears to be a bug in
> > reading count of items in SEQOF field, only the lower byte of word is
> > stored. This may lead to corrupted read and communication shutdown.
> >
> > The bug has been in the module since it's first inclusion into linux
> > kernel.
> >
> > [Patrick: the bug is real, but without practical consequence since the
> > largest amount of sequence-of members we parse is 30.]
>
> As mentioned in the changelog, I don't think this patch is of any
> relevance for -stable since its a purely theoretical problem.

Ok, thanks, now removed from the queue.

greg k-h
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