Re: [PATCH 1/1] Ddrivers: hv: Turn off write permission on the hypercall page

From	Greg KH <gregkh@linuxfoundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/1] Ddrivers: hv: Turn off write permission on the hypercall page
Date	2017-02-09 08:10 +0100
Message-ID	<t8R1E-2Uq-17@gated-at.bofh.it> (permalink)
References	<t8OQa-1lc-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, Feb 08, 2017 at 06:30:56PM -0700, kys@exchange.microsoft.com wrote:
> From: K. Y. Srinivasan <kys@microsoft.com>
> 
> The hypercall page only needs to be executable but currently it is setup to
> be writable as well. Fix the issue.
> 
> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
> Cc: <stable@vger.kernel.org>

What type of bug is this fixing that it is needed to be backported?
Does this affect any current users?  How far back should it go?

thanks,

greg k-h

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Re: [PATCH 1/1] Ddrivers: hv: Turn off write permission on the  hypercall page Greg KH <gregkh@linuxfoundation.org> - 2017-02-09 08:10 +0100
  RE: [PATCH 1/1] Ddrivers: hv: Turn off write permission on the  hypercall page KY Srinivasan <kys@microsoft.com> - 2017-02-09 16:50 +0100

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