netdev - Re: net: amend the fix for SO

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Message-Id: <20090223.153859.265316948.davem@davemloft.net>
Date:	Mon, 23 Feb 2009 15:38:59 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	eugeneteo@...nel.sg
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	mpatocka@...hat.com
Subject: Re: net: amend the fix for SO_BSDCOMPAT gsopt infoleak

From: Eugene Teo <eugeneteo@...nel.sg>
Date: Tue, 24 Feb 2009 00:41:12 +0800

> The fix for CVE-2009-0676 (upstream commit df0bca04) is incomplete. Note
> that the same problem of leaking kernel memory will reappear if someone
> on some architecture uses struct timeval with some internal padding (for
> example tv_sec 64-bit and tv_usec 32-bit) --- then, you are going to
> leak the padded bytes to userspace.
> 
> Signed-off-by: Eugene Teo <eugeneteo@...nel.sg>
> Reported-by: Mikulas Patocka <mpatocka@...hat.com>

Applied and queued up for -stable, thanks Eugene.
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