From owner-freebsd-security@freebsd.org Mon Oct 8 09:21:21 2018 Return-Path: Delivered-To: freebsd-security@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8072410B8F6A for ; Mon, 8 Oct 2018 09:21:21 +0000 (UTC) (envelope-from dch@skunkwerks.at) Received: from wout1-smtp.messagingengine.com (wout1-smtp.messagingengine.com [64.147.123.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1E3D881E75 for ; Mon, 8 Oct 2018 09:21:20 +0000 (UTC) (envelope-from dch@skunkwerks.at) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id 6FE3DB2A for ; Mon, 8 Oct 2018 05:21:12 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute7.internal (MEProxy); Mon, 08 Oct 2018 05:21:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=skunkwerks.at; h=message-id:from:to:mime-version:content-transfer-encoding :content-type:subject:references:in-reply-to:date; s=fm3; bh=eOB v0Q3aoyQdnxHOgOKdLWj9qB35jCv6/x728A8pw6k=; b=qxMZwLsKKSNrnIzCX5g dgZmzLbJvbQH7vJnytzXiMp/HFIkpFER3ZiEQw9Rdj7+PDvqcjOMuz3IL2aCqAre 1PauIbOzjP7spnTTJtlTbD4nZX9QLDUW9Fj/CDHxNa3tTf/L5uaYtysK/DJ+jms9 I7s/uheSTRo2M0f9oTwKI51NmcqiUlMYplO+70+TgGSr7PJZgtXyI80wXTKddVoE fRGQ29irgCNtK0/6eb1/LSxbBLva5CWqDZb3a99bInxTbmnBQmIClc3W4TOKtab5 tP+XiHx1EDn77CNGhL/keYSv9lCe4y5JdTtu3M1xBvfqCQrOjmhwz12jEJT/EBz8 KlA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm3; bh=eOBv0Q3aoyQdnxHOgOKdLWj9qB35jCv6/x728A8pw 6k=; b=iCTAdayoXEtd5pOnk5vMSFFGwnbyA9xI9sVWNg7qz6SBdnfkM++cb9n/l YWbt4kTbe/9RoF7gHoOeGoJdmpZ+n72Cf4PxeRm6OGEqK1Gf+F4sN/wbXzvtUNO9 wBl1CCSrYHK712L1UjbLc+outBmJIXnAAxOmxNt62Ab5eeCyGC1Vb1SOYVjBEF0A VDKsKnv5U+pv30xD33wAL7bw3vqdjaxBn27FSrMPp8McESMBew7otzigvBbQx0/F m8J8+0ytIfPpeTG+c0pgEnjNzU0hHM6YWEhDSY9kizaT2no5o5r7Nz5z0/wt6rRh 9uN20Ha6W+8bvo4jfHn7olbAsXoBw== X-ME-Sender: X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 99) id B474442A5; Mon, 8 Oct 2018 05:21:11 -0400 (EDT) Message-Id: <1538990471.3423409.1534301664.7759970E@webmail.messagingengine.com> From: Dave Cottlehuber To: freebsd-security@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Mailer: MessagingEngine.com Webmail Interface - ajax-929b9749 Subject: Re: [FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-18:08.lazyfpu References: <20180912054340.1267C13295@freefall.freebsd.org> <1536910798.329524.1507804736.2F76C06D@webmail.messagingengine.com> In-Reply-To: <1536910798.329524.1507804736.2F76C06D@webmail.messagingengine.com> Date: Mon, 08 Oct 2018 11:21:11 +0200 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Oct 2018 09:21:21 -0000 On Fri, 14 Sep 2018, at 09:39, Dave Cottlehuber wrote: > On Wed, 12 Sep 2018, at 07:43, FreeBSD Errata Notices wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA512 > > > > ============================================================================= > > FreeBSD-EN-18:08.lazyfpu Errata Notice > > The FreeBSD Project > > > > Topic: LazyFPU remediation causes potential data corruption > > Data Corruption reads a bit like "Imminent SuperNova in Your Area".. I'm > not really sure what it means for users & sysadmins. Given we've had the > original lazyfpu patches out for 11.x for a few months[1]: > > - what might data corruption entail? > - has this been observed in the wild? > > Many thanks for the efforts into making these patches available. > Dave > > [1]: https://www.freebsd.org/security/advisories/FreeBSD-SA-18:07.lazyfpu.asc Hi secteam, can you shed any light on the above? Thanks Dave