Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946114AbXBPUQR (ORCPT ); Fri, 16 Feb 2007 15:16:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946120AbXBPUQR (ORCPT ); Fri, 16 Feb 2007 15:16:17 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:1409 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1946114AbXBPUQM (ORCPT ); Fri, 16 Feb 2007 15:16:12 -0500 Date: Thu, 15 Feb 2007 22:10:30 +0000 From: Pavel Machek To: Andreas Gruenbacher Cc: Dave Jones , Andrew Morton , David Howells , torvalds@linux-foundation.org, herbert.xu@redhat.com, linux-kernel@vger.kernel.org, arjan@infradead.org, linux-crypto@vger.kernel.org Subject: Re: [PATCH 0/6] MODSIGN: Kernel module signing Message-ID: <20070215221030.GA6602@ucw.cz> References: <20070214190938.6438.15091.stgit@warthog.cambridge.redhat.com> <200702142135.40832.agruen@suse.de> <20070215054559.GD15654@redhat.com> <200702142214.53625.agruen@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200702142214.53625.agruen@suse.de> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1202 Lines: 25 Hi! > > 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 I do not think any ammount of crypto can determine that I loaded unsupported module, then edited oops. (TPM hw module may be able to do that, not sure). -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/