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

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] fix x86_64 ia32 userspace support
From: Chris Wright <chrisw@xxxxxxxxxxxx>
Date: Tue, 7 Feb 2006 10:17:41 -0800
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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* Jan Beulich (JBeulich@xxxxxxxxxx) 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

Yes, Absolutely agreed.  Sorry, meant to mention that in the original
email.

thanks,
-chris

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