Re: Add a "enable" sysfs attribute to the pci devices to allow userspace (Xorg) to enable devices without doing foul direct access

From: Matthew Wilcox
Date: Tue May 02 2006 - 20:18:51 EST


On Tue, May 02, 2006 at 05:52:09PM -0400, Jon Smirl wrote:
> Have you seen this method of getting root from X?
> http://www.cansecwest.com/slides06/csw06-duflot.ppt
> It is referenced from Theo de Raadt interview on kerneltrap
> http://kerneltrap.org/node/6550

That's a great indication of why securelevels aren't.
It pretty much fits the Linux model of "once you're root, you can do
anything". The POSIX Capabilities really don't help either.
I suppose SELinux might be able to help, but I don't care to get into
that discussion here ;-)
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