From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (146.0.238.70:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 05 Mar 2019 17:11:19 -0000 Received: from smtp.ctxuk.citrix.com ([185.25.65.24] helo=SMTP.EU.CITRIX.COM) by Galois.linutronix.de with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1h1Db3-0003Tf-RV for speck@linutronix.de; Tue, 05 Mar 2019 18:11:18 +0100 Subject: [MODERATED] Re: Starting to go public? References: From: Andrew Cooper Message-ID: Date: Tue, 5 Mar 2019 17:02:03 +0000 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="VnfNmp7ZRcehNVv87wXH6TvZxfIL8GMhL"; protected-headers="v1" To: speck@linutronix.de List-ID: --VnfNmp7ZRcehNVv87wXH6TvZxfIL8GMhL Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-GB On 05/03/2019 16:43, speck for Linus Torvalds wrote: > Looks like the papers are starting to leak: > > https://arxiv.org/pdf/1903.00446.pdf > > yes, yes, a lot of the attack seems to be about rowhammer, but the > "spolier" part looks like MDS. So Intel was aware of that paper, but wasn't expecting it to go public today. =46rom their point of view, it is a traditional timing sidechannel on a piece of the pipeline (which happens to be component which exists for speculative memory disambiguation). There are no proposed changes to the MDS timeline at this point. ~Andrew --VnfNmp7ZRcehNVv87wXH6TvZxfIL8GMhL--