linux-kernel - Re: Linux 2.6.17.5

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Message-ID: <44B8A720.3030309@gentoo.org>
Date:	Sat, 15 Jul 2006 09:28:16 +0100
From:	Daniel Drake <dsd@...too.org>
To:	Linus Torvalds <torvalds@...l.org>
CC:	Greg KH <gregkh@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, stable@...nel.org,
	Marcel Holtmann <holtmann@...hat.com>
Subject: Re: Linux 2.6.17.5

Hi Linus,

Linus Torvalds wrote:
> I did a slight modification of the patch I committed initially, in the 
> face of the report from Marcel that the initial sledge-hammer approach 
> broke his hald setup.
> 
> See commit 9ee8ab9fbf21e6b87ad227cd46c0a4be41ab749b: "Relax /proc fix a 
> bit", which should still fix the bug (can somebody verify? I'm 100% sure, 
> but still..), but is pretty much guaranteed to not have any secondary side 
> effects.
> 
> It still leaves the whole issue of whether /proc should honor chmod AT ALL 
> open, and I'd love to close that one, but from a "minimal fix" standpoint, 
> I think it's a reasonable (and simple) patch.
> 
> Marcel, can you check current git?

I can confirm that the new fix prevents the exploit from working, with 
no immediately visible side effects.

Thanks,
Daniel

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