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 99D34C433EF for ; Thu, 17 Feb 2022 19:05:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244974AbiBQTGG (ORCPT ); Thu, 17 Feb 2022 14:06:06 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:40124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244971AbiBQTGG (ORCPT ); Thu, 17 Feb 2022 14:06:06 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8D51C811A0 for ; Thu, 17 Feb 2022 11:05:51 -0800 (PST) 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 2972561C9C for ; Thu, 17 Feb 2022 19:05:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E26F8C340E8; Thu, 17 Feb 2022 19:05:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645124750; bh=Twy6KJtSmEo8G8OKKxFGM0v7fzSP0d/z48TzmHmksoU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=C7hxNYM/I/Fc23dyrbPhITOALAqgJGQKQO5E7j1n7Qi4ynCzC2LGJmPyyZ1IU2+vk p5TNtkYCGNZFDPsm+lFYdz/mubeGWry3cNBNzzLH9Vbi9sseyUL10J/sEUNG5t52E8 kS8NXjpzZEFkpSYRCS2qXuJjioQM1Hry1OkqqGJ4= Date: Thu, 17 Feb 2022 20:05:47 +0100 From: Greg KH To: Hao Luo Cc: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , laura@labbott.name, stable@vger.kernel.org Subject: Re: [PATCH stable linux-5.16.y 0/9] Fix bpf mem read/write vulnerability. Message-ID: References: <20220216225209.2196865-1-haoluo@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220216225209.2196865-1-haoluo@google.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Feb 16, 2022 at 02:52:00PM -0800, Hao Luo wrote: > Hi Greg, > > Please consider cherry-pick this patch series into 5.16.x stable. It > includes a fix to a bug in 5.16 stable which allows a user with cap_bpf > privileges to get root privileges. The patch that fixes the bug is > > patch 7/9: bpf: Make per_cpu_ptr return rdonly > > The rest are the depedences required by the fix patch. This patchset has > been merged in mainline v5.17. The patches were not planned to backport > because of its complex dependences. How about 5.10 or 5.15? Any chance to backport them there too? thanks, greg k-h