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Date: Thu, 16 Dec 2004 15:23:23 -0200
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Adam Heath <doogie@debian.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linux 2.4.29-pre2
Message-ID: <20041216172323.GH9986@logos.cnet>
References: <20041216113559.GF8246@logos.cnet> <Pine.LNX.4.58.0412161349260.2173@gradall.private.brainfood.com>
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On Thu, Dec 16, 2004 at 01:50:40PM -0600, Adam Heath wrote:
> On Thu, 16 Dec 2004, Marcelo Tosatti wrote:
> 
> > Hi,
> >
> > Here goes the second -pre of Linux v2.4.29.
> 
> I don't know if you've been following, but it was recently discoverd that on
> smp, if multiple processes read from /dev/urandom at the same time, they can
> get the same data.  Theodore Tytso posted a patch to fix this for 2.6, and
> someone else told me this problem has existed all the way back to 1.3.
> 
> This is a security issue, and should be included in the 2.4 tree.

Yes, I'm aware of it, Tytso is working on v2.4 backport of the correct locking.

Thanks for the reminder!