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Re: [Xen-devel] [PATCH] fix x86_64 ia32 userspace support

On 7 Feb 2006, at 14:22, Jan Beulich wrote:

Even with this fixed in the guest kernel I'd consider this a security hole if so, since executing a sysenter instruction in 32-bit user mode would then be a way to bring the whole system down. Jan

The hole turns out to be dom0 only. I've now checked in a fix.

Christian will check in Chris's int80 fix shortly.

 -- Keir

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