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Re: [Xen-devel] Xen Security Advisory 7 (CVE-2012-0217) - PV privilege escalation
- To: xen-devel@xxxxxxxxxxxxx
- From: Andy Smith <andy@xxxxxxxxxxxxxx>
- Date: Tue, 12 Jun 2012 12:15:10 +0000
- Delivery-date: Tue, 12 Jun 2012 12:15:30 +0000
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Hello,
A quick question with regard to XSA-7:
On Tue, Jun 12, 2012 at 01:02:32PM +0100, Xen.org security team wrote:
> MITIGATION
> ==========
>
> This issue can be mitigated by running HVM (fully-virtualised)
> or 32 bit PV guests only.
Assuming 64-bit hypervisor and dom0, with PV guests booted using
pygrub, is there any way to restrict guests to 32-bit only?
Cheers,
Andy
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