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From: Pavel Machek <pavel@ucw.cz>
To: Andreas Gruenbacher <agruen@suse.de>
Cc: Dave Jones <davej@redhat.com>,
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: Thu, 15 Feb 2007 22:10:30 +0000 [thread overview]
Message-ID: <20070215221030.GA6602@ucw.cz> (raw)
In-Reply-To: <200702142214.53625.agruen@suse.de>
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
next prev parent reply other threads:[~2007-02-16 20:16 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-14 19:09 [PATCH 0/6] MODSIGN: Kernel module signing 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
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 [this message]
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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