From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51998) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YscMY-0006t4-7d for qemu-devel@nongnu.org; Wed, 13 May 2015 15:30:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YscMU-0003JN-3v for qemu-devel@nongnu.org; Wed, 13 May 2015 15:30:38 -0400 Received: from mx-v6.kamp.de ([2a02:248:0:51::16]:44607 helo=mx01.kamp.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YscMT-0003Hu-Oc for qemu-devel@nongnu.org; Wed, 13 May 2015 15:30:34 -0400 Message-ID: <5553A651.3060508@kamp.de> Date: Wed, 13 May 2015 21:30:25 +0200 From: Peter Lieven MIME-Version: 1.0 References: <1431527602-29889-1-git-send-email-jsnow@redhat.com> <55539D17.7010000@weilnetz.de> <55539EFA.6050605@profihost.ag> <5553A07E.6070608@weilnetz.de> <5553A17D.4090308@profihost.ag> In-Reply-To: <5553A17D.4090308@profihost.ag> Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Qemu-stable] [PATCH] fdc: force the fifo access to be in bounds of the allocated buffer List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Priebe , Stefan Weil , John Snow , qemu-stable@nongnu.org, peter.maydell@linaro.org Cc: Petr Matousek , qemu-devel@nongnu.org Am 13.05.2015 um 21:09 schrieb Stefan Priebe: > Am 13.05.2015 um 21:05 schrieb Stefan Weil: >> Am 13.05.2015 um 20:59 schrieb Stefan Priebe: >>> >>> Am 13.05.2015 um 20:51 schrieb Stefan Weil: >>>> Hi, >>>> >>>> I just noticed this patch because my provider told me that my KVM based >>>> server >>>> needs a reboot because of a CVE (see this German news: >>>> http://www.heise.de/newsticker/meldung/Venom-Schwachstelle-Aus-Hypervisor-ausbrechen-und-VMs-ausspionieren-2649614.html) >>>> >>> >>> Isn't a live migration to a fixed version enough instead of a reboot? >>> >>> Stefan >> >> Good point. A live migration would be sufficient - if there are no bugs >> in QEMU's live migration. > > just migrating all our customer machines and wanted to be sure that live migration is enough. Just to confirm: If Qemu is started with -nodefaults and there is no fdc configuration the system is not affected by this CVE? Thanks, Peter