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=-6.5 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,URIBL_BLOCKED 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 BA46FC432BE for ; Wed, 18 Aug 2021 09:02:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D4DC61053 for ; Wed, 18 Aug 2021 09:02:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230078AbhHRJDY (ORCPT ); Wed, 18 Aug 2021 05:03:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:53236 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229574AbhHRJDY (ORCPT ); Wed, 18 Aug 2021 05:03:24 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 917E161053; Wed, 18 Aug 2021 09:02:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1629277370; bh=gHGb8aPOCFbTLtg2r0KhV1R6IEtwItwZ77US9YzwBlg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=0ZDtVGFADL55+lK/kY/hZ22HfZMrJMYbcan5LZ5QwbTuHPro551R6MI+Uhj8THsYh OkOIk2dnu0GCK/zBkCgIE2xdraiAsGb7RMZga2k+QreNjdL+vfhDFzOrcszdWCcAjN VAt44/Tt54tHO0Ate/9kY8D/HeIp/tS4tbf6AtRw= Date: Wed, 18 Aug 2021 11:02:47 +0200 From: Greg KH To: Pali =?iso-8859-1?Q?Roh=E1r?= Cc: stable@vger.kernel.org, Sasha Levin , Kalle Valo , linux-wireless@vger.kernel.org Subject: Re: Backporting CVE-2020-3702 ath9k patches to stable Message-ID: References: <20210818084859.vcs4vs3yd6zetmyt@pali> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210818084859.vcs4vs3yd6zetmyt@pali> Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Wed, Aug 18, 2021 at 10:48:59AM +0200, Pali Rohár wrote: > Hello! I would like to request for backporting following ath9k commits > which are fixing CVE-2020-3702 issue. > > 56c5485c9e44 ("ath: Use safer key clearing with key cache entries") > 73488cb2fa3b ("ath9k: Clear key cache explicitly on disabling hardware") > d2d3e36498dd ("ath: Export ath_hw_keysetmac()") > 144cd24dbc36 ("ath: Modify ath_key_delete() to not need full key entry") > ca2848022c12 ("ath9k: Postpone key cache entry deletion for TXQ frames reference it") > > See also: > https://lore.kernel.org/linux-wireless/87o8hvlx5g.fsf@codeaurora.org/ > > This CVE-2020-3702 issue affects ath9k driver in stable kernel versions. > And due to this issue Qualcomm suggests to not use open source ath9k > driver and instead to use their proprietary driver which do not have > this issue. > > Details about CVE-2020-3702 are described on the ESET blog post: > https://www.welivesecurity.com/2020/08/06/beyond-kr00k-even-more-wifi-chips-vulnerable-eavesdropping/ > > Two months ago ESET tested above mentioned commits applied on top of > 4.14 stable tree and confirmed that issue cannot be reproduced anymore > with those patches. Commits were applied cleanly on top of 4.14 stable > tree without need to do any modification. What stable tree(s) do you want to see these go into? And what order are the above commits to be applied in, top-to-bottom or bottom-to-top? thanks, greg k-h