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From: Andreas Gruenbacher <agruen@suse.de>
To: Dave Jones <davej@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Howells <dhowells@redhat.com>,
	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
Date: Wed, 14 Feb 2007 22:14:53 -0800	[thread overview]
Message-ID: <200702142214.53625.agruen@suse.de> (raw)
In-Reply-To: <20070215054559.GD15654@redhat.com>

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.

In the end, it all seems to boils down to a difference in philosophy.

Thanks,
Andreas

  reply	other threads:[~2007-02-15  6:15 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-14 19:09 David Howells
2007-02-14 19:09 ` [PATCH 2/6] MODSIGN: In-kernel crypto extensions David Howells
2007-02-14 19:09 ` [PATCH 3/6] MODSIGN: Add indications of module ELF types David Howells
2007-02-14 19:09 ` [PATCH 4/6] MODSIGN: Module ELF verifier David Howells
2007-02-14 19:10 ` [PATCH 5/6] MODSIGN: Module signature checker and key manager David Howells
2007-02-14 19:10 ` [PATCH 6/6] MODSIGN: Apply signature checking to modules on module load David Howells
2007-02-14 19:26 ` [PATCH 0/6] MODSIGN: Kernel module signing Linus Torvalds
2007-02-14 19:40 ` David Howells
2007-02-14 21:32   ` Michael Halcrow
2007-02-14 21:59   ` David Howells
2007-02-14 22:21     ` Michael Halcrow
2007-02-15 21:31   ` Indan Zupancic
2007-02-15  3:41 ` Andrew Morton
2007-02-15  4:13   ` Dave Jones
2007-02-15  5:35     ` Andreas Gruenbacher
2007-02-15  5:45       ` Dave Jones
2007-02-15  6:14         ` Andreas Gruenbacher [this message]
2007-02-15  6:22           ` Dave Jones
2007-02-15 20:34           ` Valdis.Kletnieks
2007-02-15 22:12             ` Andreas Gruenbacher
2007-02-16  0:15               ` Olaf Kirch
2007-02-15 22:10           ` Pavel Machek
2007-02-15 20:55     ` Valdis.Kletnieks
2007-02-15 21:32       ` Adrian Bunk
2007-02-15 22:12         ` Valdis.Kletnieks
2007-02-15 14:35 ` Roman Zippel
2007-02-15 17:32 ` David Howells
2007-02-15 18:33   ` Roman Zippel
2007-02-15 20:01     ` David Lang
2007-02-15 21:01       ` Roman Zippel
2007-02-15 21:03 ` Adrian Bunk
2007-02-15 22:13 ` Pavel Machek
2007-02-16 20:21   ` Dave Jones
2007-02-16 20:27     ` Arjan van de Ven
     [not found] <7OPWh-470-9@gated-at.bofh.it>
     [not found] ` <7OxPF-16i-7@gated-at.bofh.it>
     [not found]   ` <7OSKA-8A-17@gated-at.bofh.it>
     [not found]     ` <7OTGJ-1G5-23@gated-at.bofh.it>
2007-02-16 15:38       ` Bodo Eggert

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