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Re: [libvirt] security: the qemu agent command "guest-exec" may cause Insider Access



On Fri, Aug 25, 2017 at 10:29:03AM +0000, Zhangbo (Oscar) wrote:

Host can read all of the guest's memory or mount the image and modify
the guest agent.  Or even add their own communication program that can
do anything.


I get your point now! :)  Thanks a lot!!

Further more,  kvm seems not as secure as xen, because xen isolates dom0 and domU well,
The administrator on dom0 couldn't access many things belonged to domUs.
How to solve such problem in kvm? Any scheme?

I don't know xen much, but maybe AMD SEV or everything-signed-by TPM
would help...

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