From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751785AbdBIHBC (ORCPT ); Thu, 9 Feb 2017 02:01:02 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:40680 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588AbdBIHBB (ORCPT ); Thu, 9 Feb 2017 02:01:01 -0500 Date: Thu, 9 Feb 2017 07:54:31 +0100 From: Greg KH To: kys@microsoft.com Cc: linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com, leann.ogasawara@canonical.com, keescook@google.com, stephen@networkplumber.org, sds@tycho.nsa.gov, stable@vger.kernel.org Subject: Re: [PATCH 1/1] Ddrivers: hv: Turn off write permission on the hypercall page Message-ID: <20170209065431.GA5240@kroah.com> References: <1486603856-27642-1-git-send-email-kys@exchange.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1486603856-27642-1-git-send-email-kys@exchange.microsoft.com> User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 08, 2017 at 06:30:56PM -0700, kys@exchange.microsoft.com wrote: > From: K. Y. Srinivasan > > 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 > Cc: 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