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 X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 938A8C10F06 for ; Thu, 14 Mar 2019 14:57:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5ACE521852 for ; Thu, 14 Mar 2019 14:57:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552575430; bh=fC9FJ4EjZJr6Wn688RZChI2zm7Z/erWJlGcijApphds=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=PQgZm/P8zoSlhvQEEN9okFLcTMqjJ9wcuN8SxjwTTfZ4MaGfbEUnW37Cjbs0hXPmM QBo4GpgAKzD94qb1AaBtRWHVX5nuhk+GzHe479Td+gVjb90crGkyvDa3zERVaC7E7Y 11Cr8bdpoHb/reqQ7W7b9ql8A6XB6k5c7nn1tK0A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726980AbfCNO5J (ORCPT ); Thu, 14 Mar 2019 10:57:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:34166 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726691AbfCNO5J (ORCPT ); Thu, 14 Mar 2019 10:57:09 -0400 Received: from localhost (unknown [12.27.65.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4918520811; Thu, 14 Mar 2019 14:57:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552575428; bh=fC9FJ4EjZJr6Wn688RZChI2zm7Z/erWJlGcijApphds=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TjiCiOWzymC4g0+eKVr/X6Gy8sB8l413BgsPewUoVEehgbedck+GsYm9f0hIby5XJ 7/1F1qqpozvSkdMmGzadkWBsweiERxkK3eG/nUFLIflprxniOVSGpukXF2yuQaxx9Q QLMcGssyYrR36qtgvt5dWTSbW6Y9OxDwv00sX9tM= Date: Thu, 14 Mar 2019 07:57:07 -0700 From: Greg KH To: Jason Yan Cc: daniel@iogearbox.net, Jann Horn , ast@kernel.org, "zhangyi (F)" , Zhaohongjiang , netdev@vger.kernel.org, stable@vger.kernel.org Subject: Re: 979d63d50c0c0f7bc537bf821e056cc9fe5abd38 bpf: prevent out of bounds speculation on pointer arithmetic Message-ID: <20190314145707.GA12576@kroah.com> References: <5d71646c-f897-2178-9d4a-fababe999f36@huawei.com> <20190312115234.GA29195@kroah.com> <71d3dd3d-7768-63bc-b050-3caafec53d03@huawei.com> <20190312162230.GA4544@kroah.com> <4cff80ab-7f29-8ef4-1d95-a2c0d4c4b9b8@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4cff80ab-7f29-8ef4-1d95-a2c0d4c4b9b8@huawei.com> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 14, 2019 at 10:41:57PM +0800, Jason Yan wrote: > > > On 2019/3/13 0:22, Greg KH wrote: > > On Tue, Mar 12, 2019 at 10:58:39PM +0800, Jason Yan wrote: > > > > > > > > > On 2019/3/12 19:52, Greg KH wrote: > > > > On Mon, Mar 11, 2019 at 05:18:33PM +0800, Jason Yan wrote: > > > > > Hi, Daniel & Greg > > > > > > > > > > This patch (979d63d50c0c bpf: prevent out of bounds speculation on pointer > > > > > arithmetic) was assigned a CVE (CVE-2019-7308) with a high score: > > > > > > > > > > CVSS v3.0 Severity and Metrics: > > > > > Base Score: 9.8 CRITICAL > > > > > > > > > > And this patch is not in stable-4.4, would you please backport this patch to > > > > > 4.4? > > > > > > > > For a bit more context, it's also not in 4.14.y, 4.9.y, or 4.4.y. I > > > > found a backported series for 4.4.y in the SLES kernel tree that I could > > > > try to import here if it really is a big deal. > > > > > > > > > > I'm sorry that I did not find them. I only know the SLES kernel tree at: > > > https://github.com/openSUSE/kernel. > > > Is there another place for the SLES kernel tree? > > > > That's the tree you want, look at the SLES branches. I see the patches > > backported to the SLE12-SP4 branch already, so that is hopefully a > > working set of patches for 4.4.y. > > > > I checked the SLE12-SP4 branch and the kernel version is 4.12. There is > still a lot of conflicts even with 4.14.y. So it's hard to backport to > 4.4.y. I will try to solve the conflicts with 4.14.y but I'm not sure if > I can solve all the conflicts and finish this job. Oops, try looking at the SLE12-SP3 branch, that is 4.4 based. I don't know if they backported the patches there or not though. thanks, greg k-h