On Thu, Dec 11, 2008 at 09:04:48PM +0100, Toni Mueller wrote:
> > On Thu, Dec 11, 2008 at 10:30:50AM -0800, Jeff_1981 wrote:
> > > Please can you indicate me how to run Windows or Linux under OpenBSD ?
> > > Under Linux for example there is possibility to virtualize another OS.
> > > If the other OS is hacked from the web does it compromizes the security of
> > > OpenBSD ?
> 
> this is generally possible. If you kept an eye on the virtualization
> methods under Linux, you will have encountered several cases where it
> was possible for virtual machines to break out of their compartment,
> and invade the host or other guest systems. Search eg. for "blue pill"
> if you want more details.

As a footnote: Rafal Wojtczuk "recently" (October, 2008) published an
interesting paper demonstrating an escape from a Xen guest to dom0 on i386
Fedora 8.[1]

- Jukka.


[1] http://invisiblethingslab.com/pub/xenfb-adventures-10.pdf

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