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=-6.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 9A2E1C433E0 for ; Sat, 13 Feb 2021 08:27:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5EEEA64E12 for ; Sat, 13 Feb 2021 08:27:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229517AbhBMI0Y (ORCPT ); Sat, 13 Feb 2021 03:26:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:41508 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229469AbhBMI0Q (ORCPT ); Sat, 13 Feb 2021 03:26:16 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id AA71E64E26; Sat, 13 Feb 2021 08:25:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1613204735; bh=50KNQHDI+UtME2e37oYorZWzoM1e0cnXgJn1HF4ZaA8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kDJHiYqEr90OqaZkkKLrkxB5Ba2/MIONIJs3sKYODIC3LEHL03RFHdaDaB5eBKuyb 5ZcyZzsSuKq1UEHf90hzVaZ1u/bB4iUfPDLnm8Zer2VITouExdJhUAx12auzmc8ywc DAKMOXRZgei3hA4YRedsAgrk8DgXw0xNry+Fsh6Q= Date: Sat, 13 Feb 2021 09:25:31 +0100 From: Greg Kroah-Hartman To: Dmitry Baryshkov Cc: Arnd Bergmann , linux-kernel@vger.kernel.org, Srinivas Kandagatla , Jonathan Marek , stable@vger.kernel.org Subject: Re: [PATCH v2] misc: fastrpc: restrict user apps from sending kernel RPC messages Message-ID: References: <20210212192658.3476137-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210212192658.3476137-1-dmitry.baryshkov@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 12, 2021 at 10:26:58PM +0300, Dmitry Baryshkov wrote: > Verify that user applications are not using the kernel RPC message > handle to restrict them from directly attaching to guest OS on the > remote subsystem. This is a port of CVE-2019-2308 fix. A port of the fix of what to what? Is this to go only into a stable tree (if so what ones and what is the id in Linus's tree), or is it to go into Linus's tree like normal (if so how can this be a port)? thanks, greg k-h