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=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS autolearn=ham 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 49AFEC43381 for ; Tue, 12 Mar 2019 14:58:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 230612075C for ; Tue, 12 Mar 2019 14:58:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726946AbfCLO6z (ORCPT ); Tue, 12 Mar 2019 10:58:55 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:36560 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726719AbfCLO6y (ORCPT ); Tue, 12 Mar 2019 10:58:54 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id D8CF9750313486AEBAE4; Tue, 12 Mar 2019 22:58:49 +0800 (CST) Received: from [127.0.0.1] (10.177.96.203) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.408.0; Tue, 12 Mar 2019 22:58:40 +0800 Subject: Re: 979d63d50c0c0f7bc537bf821e056cc9fe5abd38 bpf: prevent out of bounds speculation on pointer arithmetic To: Greg KH CC: , Jann Horn , , "zhangyi (F)" , Zhaohongjiang , , References: <5d71646c-f897-2178-9d4a-fababe999f36@huawei.com> <20190312115234.GA29195@kroah.com> From: Jason Yan Message-ID: <71d3dd3d-7768-63bc-b050-3caafec53d03@huawei.com> Date: Tue, 12 Mar 2019 22:58:39 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <20190312115234.GA29195@kroah.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.96.203] X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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? > I'm on the road this week, but if you could take a look at the SLES > patches and see if those work for you, and then forward them here, I > will be glad to queue them up. Also if you could do the work for 4.14.y > and 4.9.y I'm sure lots of people would appreciate it :) > > thanks, > > greg k-h > > . >