[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

To: Jan Beulich <JBeulich@xxxxxxxxxx>
From: Chris Wright <chrisw@xxxxxxxxxxxx>
Date: Tue, 7 Feb 2006 10:17:41 -0800
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 08 Feb 2006 16:28:41 +0000
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

* 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

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

References:
- [Xen-devel] [PATCH] fix x86_64 ia32 userspace support
  - From: Chris Wright
- Re: [Xen-devel] [PATCH] fix x86_64 ia32 userspace support
  - From: Jan Beulich

Prev by Date: Re: [Xen-devel] Intel/VT success :-)
Next by Date: [Xen-devel] x86_64 eth0 e1000_clean_tx_irq tx hang
Previous by thread: Re: [Xen-devel] [PATCH] fix x86_64 ia32 userspace support
Next by thread: [Xen-devel] [PATCH][1/4] PCI Driver Domains: Xenbus Convenience Functions
Index(es):
- Date
- Thread

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.