Re: [Xen-users] XCP/Xen security

["Matthew Law" <matt@xxxxxxxxxxxxxxxxxx>]

On Tue, March 16, 2010 1:47 am, Vern Burke wrote:
> The ability of a misbehaved DomU to crash the Dom0 isn't a pretty idea,
> but I can't imagine it would expose unauthorised user data, which seems to
> be what the big worry is about.
>
> Vern

IIRC, didn't pvgrub come about because of exactly this issue and because
the only practical way of breaking out of the domU was by exploiting the
fact that pygrub loads code from the domU in the dom0 before handing off
control to it?


HTH,

Matt.


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