Re: TALPA - a threat model? well sorta.

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To: Andi Kleen <andi@...>

Cc: Eric Paris <eparis@...>, <linux-kernel@...>, <malware-list@...>, <riel@...>, <greg@...>, <tytso@...>, <viro@...>, <arjan@...>, <alan@...>, <peterz@...>, <hch@...>

Subject: Re: TALPA - a threat model? well sorta.

Date: Wednesday, August 13, 2008 - 2:21 pm

Andi Kleen wrote:
quoted text> 
> This means you need significant LSM components simply to protect
> the integrity of the file scanner against root. It's even 
> unclear it's possible in the general case (e.g. X server doing
> arbitary DMA and no IOMMU -- how do you protect the file scanner?)
> 

Without Treacherous Computing, it isn't possible, even in kernel space.

In Treacherous Computing you can put it in the hypervisor, which of 
course just means the hypervisor is now much bigger and likely to 
contain security holes.

	-hpa
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Messages in current thread:

TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 12:36 pm)

Re: TALPA - a threat model? well sorta., 7v5w7go9ub0o, (Wed Aug 13, 8:14 pm)

Re: TALPA - a threat model? well sorta., 7v5w7go9ub0o, (Wed Aug 13, 10:25 pm)

Re: TALPA - a threat model? well sorta., Andi Kleen, (Wed Aug 13, 2:17 pm)

Re: TALPA - a threat model? well sorta., Mihai , (Wed Aug 13, 8:18 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Thu Aug 14, 7:58 am)

Re: [malware-list] TALPA - a threat model? well sorta., Mihai , (Thu Aug 14, 8:34 am)

Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 2:40 pm)

Re: TALPA - a threat model? well sorta., H. Peter Anvin, (Wed Aug 13, 2:21 pm)

Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 2:24 pm)

Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 1:39 pm)

Re: TALPA - a threat model? well sorta., Pavel Machek, (Fri Aug 15, 12:06 pm)

Re: TALPA - a threat model? well sorta., , (Mon Aug 18, 8:21 am)

Re: TALPA - a threat model? well sorta., Pavel Machek, (Mon Aug 18, 9:30 am)

Re: TALPA - a threat model? well sorta., , (Mon Aug 18, 8:03 pm)

Re: TALPA - a threat model? well sorta., , (Thu Aug 14, 9:31 pm)

Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 2:57 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 5:46 am)

Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 9:37 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Thu Aug 14, 9:46 am)

Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 5:39 pm)

Re: TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 10:12 am)

Re: TALPA - a threat model? well sorta., Helge Hafting, (Fri Aug 15, 6:07 am)

Re: TALPA - a threat model? well sorta., , (Fri Aug 15, 6:44 am)

Re: TALPA - a threat model? well sorta., Peter Zijlstra, (Fri Aug 15, 6:37 am)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 9:10 am)

Re: [malware-list] TALPA - a threat model? well sorta., Helge Hafting, (Mon Aug 18, 6:02 am)

RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 12:25 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 12:30 pm)

RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:33 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 1:40 pm)

RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:47 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 2:17 pm)

RE: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 4:08 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 2:06 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Fri Aug 15, 4:17 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 4:05 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 9:18 am)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Fri Aug 15, 1:04 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Fri Aug 15, 2:09 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Helge Hafting, (Mon Aug 18, 6:09 am)

Re: [malware-list] TALPA - a threat model? well sorta., , (Mon Aug 18, 6:25 am)

Re: [malware-list] TALPA - a threat model? well sorta., Peter Zijlstra, (Mon Aug 18, 6:14 am)

Re: [malware-list] TALPA - a threat model? well sorta., , (Mon Aug 18, 6:24 am)

Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Thu Aug 14, 11:57 am)

Re: TALPA - a threat model? well sorta., Theodore Tso, (Wed Aug 13, 2:15 pm)

Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 3:02 pm)

Re: TALPA - a threat model? well sorta., Theodore Tso, (Wed Aug 13, 3:29 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 5:30 am)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 9:24 am)

Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 9:48 am)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 11:50 am)

Re: [malware-list] TALPA - a threat model? well sorta., Pavel Machek, (Fri Aug 15, 10:37 am)

Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 1:29 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 3:17 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Christoph Hellwig, (Thu Aug 14, 3:34 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 3:41 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 9:44 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 10:04 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Fri Aug 15, 4:51 am)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 12:48 am)

Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Thu Aug 14, 11:41 pm)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:05 am)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:36 am)

Re: [malware-list] TALPA - a threat model? well sorta., Johannes Weiner, (Fri Aug 15, 1:12 am)

Re: [malware-list] TALPA - a threat model? well sorta., , (Fri Aug 15, 1:28 am)

Re: [malware-list] TALPA - a threat model? well sorta., Christoph Hellwig, (Thu Aug 14, 4:20 pm)

Re: [malware-list] TALPA - a threat model? well sorta., J. Bruce Fields, (Thu Aug 14, 5:21 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Theodore Tso, (Thu Aug 14, 7:34 pm)

Re: [malware-list] TALPA - a threat model? well sorta., J. Bruce Fields, (Tue Aug 19, 5:43 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 3:20 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Thu Aug 14, 8:03 am)

RE: [malware-list] TALPA - a threat model? well sorta., , (Thu Aug 14, 8:27 am)

Re: [malware-list] TALPA - a threat model? well sorta., Pavel Machek, (Fri Aug 15, 10:31 am)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Wed Aug 13, 5:15 pm)

Re: TALPA - a threat model? well sorta., Arjan van de Ven, (Wed Aug 13, 2:21 pm)

Re: TALPA - a threat model? well sorta., , (Thu Aug 14, 5:18 am)

Re: TALPA - a threat model? well sorta., Greg KH, (Wed Aug 13, 12:57 pm)

Re: TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 12:24 pm)

Re: TALPA - a threat model? well sorta., Arnd Bergmann, (Thu Aug 14, 9:00 am)

Re: TALPA - a threat model? well sorta., Christoph Hellwig, (Wed Aug 13, 1:07 pm)

Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 12:47 pm)

Re: TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 12:37 pm)

Re: TALPA - a threat model? well sorta., Eric Paris, (Wed Aug 13, 1:00 pm)

Re: TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 3:59 pm)

RE: [malware-list] TALPA - a threat model? well sorta., Press, Jonathan, (Wed Aug 13, 5:24 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Rik van Riel, (Wed Aug 13, 5:35 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Jan Harkes, (Fri Aug 15, 4:16 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Fri Aug 15, 6:05 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Sun Aug 17, 7:19 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Mon Aug 18, 11:33 am)

Re: [malware-list] TALPA - a threat model? well sorta., Rik van Riel, (Mon Aug 18, 12:43 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Arjan van de Ven, (Sun Aug 17, 7:26 pm)

Re: [malware-list] TALPA - a threat model? well sorta., David Collier-Brown, (Sun Aug 17, 5:11 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 5:23 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Eric Paris, (Thu Aug 14, 11:25 pm)

Re: [malware-list] TALPA - a threat model? well sorta., Alan Cox, (Wed Aug 13, 5:13 pm)

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