Re: The (in)security of Xorg and DRI

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On Thu, 14 Dec 2006, Darren Reed wrote:

> In recent discussion, the topic of the Xorg server being a huge
> security vulnerability because of its DRI model has come up.
> 
> The problem being that you have user space code communicating
> with chips in the system and being able to control DMA and what
> goes which way on the system bus...

Afaik, kernel DRM (*) drivers are supposed (**) not to provide direct
control over unsafe features of the hardware (***).

(*) Direct Rendering Manager.
(**) The "strength of function" is, of course, a different question.
(***) See <http://dri.sourceforge.net/doc/security_low_level.html>

--Pavel Kankovsky aka Peak  [ Boycott Microsoft--http://www.vcnet.com/bms ]
"Resistance is futile. Open your source code and prepare for assimilation."


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