linux-kernel - Re: [PATCH 0/6] MODSIGN: Kernel module signing

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Date:	Thu, 15 Feb 2007 01:22:18 -0500
From:	Dave Jones <davej@...hat.com>
To:	Andreas Gruenbacher <agruen@...e.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	torvalds@...ux-foundation.org, herbert.xu@...hat.com,
	linux-kernel@...r.kernel.org, arjan@...radead.org,
	linux-crypto@...r.kernel.org
Subject: Re: [PATCH 0/6] MODSIGN: Kernel module signing

On Wed, Feb 14, 2007 at 10:14:53PM -0800, Andreas Gruenbacher wrote:
 > On Wednesday 14 February 2007 21:45, Dave Jones wrote:
 > > well, the situation for external modules is no worse than usual.
 > > They still work, they just aren't signed. Which from a distributor point
 > > of view, is actually a nice thing, as they stick out like a sore thumb
 > > in oops reports with (U) markers :)
 > 
 > I agree, that's really what should happen. We solve this by marking modules as 
 > supported, partner supported, or unsupported, but in an "insecure" way, so 
 > partners and users could try to fake the support status of a module and/or 
 > remove status flags from Oopses, and cryptography wouldn't save us. We could 
 > try to sign Oopses which I guess you guys are doing. This whole issue hasn't 
 > been a serious problem in the past though, and we generally try to trust 
 > users not to play games on us.

For the most part it works out.  I've had users file oopses where they've editted
out Tainted: P, and left in nvidia(U) for example :-)

		Dave

-- 
http://www.codemonkey.org.uk
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