From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E443C43334 for ; Wed, 20 Jul 2022 16:37:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230227AbiGTQh1 (ORCPT ); Wed, 20 Jul 2022 12:37:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230252AbiGTQhS (ORCPT ); Wed, 20 Jul 2022 12:37:18 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E0C65720A; Wed, 20 Jul 2022 09:37:17 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D3D1E61DA7; Wed, 20 Jul 2022 16:37:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1ADDEC3411E; Wed, 20 Jul 2022 16:37:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658335036; bh=KIWbVa61dC4UF7msJMfbTUOsdRHrVPkRTNJ/r3E4JrM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=offZjZBa0fwZcjORH0XRmhfYLQiFj4ZH5pOkRXcA4yMrKx3eFE9PyeyGfaVAeffLy h5dAyxf2LGZf7uAOTzRIkoerDVRnfgN9QD9CMYp1ryNuAFqNSDaZqspCA4PxuW/BAy PJ6NQvCPcH7McDy21/kGPb/vi+US7fZ44JF4YAYEHEks6jq5MInzs4FUPpHZ1Zw8RE +WP4usycK8xlf+6YQFfuQr485h6YuqfFDuoWAH6DoyZYWawaFxEGIDJXBGP9tx4ZPe S7Jkjm7UqadbfVue4tRgXDGzEX9aqm6HP7HTvX5z5Ime11B9xswRvFA16KQQly/LfT B1ecssyOjZAPQ== Date: Wed, 20 Jul 2022 12:37:14 -0400 From: Sasha Levin To: Greg KH Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Alexandre Chartre , Kim Phillips , Peter Zijlstra , Borislav Petkov , Josh Poimboeuf , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, pbonzini@redhat.com, chang.seok.bae@intel.com, pawan.kumar.gupta@linux.intel.com, babu.moger@amd.com, jmattson@google.com, jing2.liu@intel.com, sandipan.das@amd.com, sblbir@amazon.com, keescook@chromium.org, tony.luck@intel.com, jane.malalane@citrix.com, bigeasy@linutronix.de Subject: Re: [PATCH AUTOSEL 5.10 05/25] x86/bugs: Report AMD retbleed vulnerability Message-ID: References: <20220720011616.1024753-1-sashal@kernel.org> <20220720011616.1024753-5-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 20, 2022 at 09:48:24AM +0200, Greg KH wrote: >On Tue, Jul 19, 2022 at 09:15:56PM -0400, Sasha Levin wrote: >> From: Alexandre Chartre >> >> [ Upstream commit 6b80b59b3555706508008f1f127b5412c89c7fd8 ] >> >> Report that AMD x86 CPUs are vulnerable to the RETBleed (Arbitrary >> Speculative Code Execution with Return Instructions) attack. >> >> [peterz: add hygon] >> [kim: invert parity; fam15h] >> >> Co-developed-by: Kim Phillips >> Signed-off-by: Kim Phillips >> Signed-off-by: Alexandre Chartre >> Signed-off-by: Peter Zijlstra (Intel) >> Signed-off-by: Borislav Petkov >> Reviewed-by: Josh Poimboeuf >> Signed-off-by: Borislav Petkov >> Signed-off-by: Sasha Levin >> --- >> arch/x86/include/asm/cpufeatures.h | 1 + >> arch/x86/kernel/cpu/bugs.c | 13 +++++++++++++ >> arch/x86/kernel/cpu/common.c | 19 +++++++++++++++++++ >> drivers/base/cpu.c | 8 ++++++++ >> include/linux/cpu.h | 2 ++ >> 5 files changed, 43 insertions(+) > >This part of the larger retbleed series already queued up, so no need to >add it again. All of these weren't part of anything that was queued up. I've actually ended up queueing this one up since it was a dependency for a patch with a Fixes tag, but all of this AUTOSEL batch wasn't part of the retbleed series you've queued up a week ago. -- Thanks, Sasha