Re: [Xen-devel] Xen 4.0.0x allows for data corruption in Dom0

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 06/03/2010 10:12, "Joanna Rutkowska" <joanna@xxxxxxxxxxxxxxxxxxxxxx>
wrote:

> It's really interesting how much control does the VM have over the data
> (and location) that are corrupted in Dom0 -- if it has any control, then
> it might allow for an interesting VM escape attack perhaps :)
> 
> Unfortunately we don't have time to investigate this problem any further
> in our lab.

Thanks, I'll see if I can repro with your simple setup. It's an interesting
one since presumably the domU is not doing much other waiting on its
rootdelay timeout when the corruption manifests. Sounds like the dom0 kernel
version doesn't matter at all?

 Regards,
 Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel