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Date: Thu, 23 Apr 2009 09:37:19 +0200
From: Marcus Meissner <>
Cc: Willy Tarreau <>
Subject: Re: Re: CVE-2009-1265 kernel: af_rose/x25: Sanity check the maximum user frame size

On Thu, Apr 23, 2009 at 02:54:06PM +0800, Eugene Teo wrote:
> Willy Tarreau wrote:
> > Hi Eugene,
> > 
> > On Wed, Apr 08, 2009 at 03:58:55PM +0800, Eugene Teo wrote:
> >> {nr,rose,x25}_sendmsg() functions need to have sanity checks on the
> >> packet size, otherwise the sizes can wrap and end up sending garbage.
> >>
> >>
> >>
> >>
> >>
> >> This affects both 2.4.x and 2.6.x if CONFIG_{NETROM,ROSE,X25} are enabled.
> > 
> > I already have it in my queue, just did not have time to merge it yet.
> > Thanks for the reminder anyway, I really appreciate it ;-)
> You will need this too :)
> upstream commit: cc29c70dd581f85ee7a3e7980fb031f90b90a2ab
> Patch "af_rose/x25: Sanity check the maximum user frame size"
> (commit 83e0bbcbe2145f160fbaa109b0439dae7f4a38a9) from Alan Cox got
> locking wrong. If we bail out due to user frame size being too large,
> we must unlock the socket beforehand.

I do not see cc29c70dd581f85ee7a3e7980fb031f90b90a2ab in mainline kernel git
yet, in which git does it live?

CIao, Marcus

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