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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 5BBB7C433DF for ; Fri, 22 May 2020 12:07:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F65C206F6 for ; Fri, 22 May 2020 12:07:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590149276; bh=vHSgjKvbc5R4F0jsQCkcjIrdu+UdsNtu0U/jwyEL4ZA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=rlbaxlxRpHRNXljCYDzF8Jhitln1s2CqoS19sIFos59o5fVlR/NN8kz8+Bg7qBF3A ADCZ0QZLGou8gqSe/e/GbAJmGUAMUYIbpRQ878hEevyfUf0gS5RCNdo5G2DGclOXBI yGkNLS0oNZxee4Z1GLPK3VOn+eUISBzzxPSiZrrs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728979AbgEVMHy (ORCPT ); Fri, 22 May 2020 08:07:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:51698 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729850AbgEVMHv (ORCPT ); Fri, 22 May 2020 08:07:51 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 D1EAC2072C; Fri, 22 May 2020 12:07:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590149271; bh=vHSgjKvbc5R4F0jsQCkcjIrdu+UdsNtu0U/jwyEL4ZA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Rm6PFaJ5Df1MOII0mNbl59jDH2idX4qKC9sttvY2mJDJfxk5cCMzBRMNY2xq0/Qun zz7P2DauJ1JrLcyi1ioI0L/L1z3LJr6kiQBYbzmYMLBKRJ3/lyFojwxbwyCkIXURRx S1e9pkYTO3R9gBWrh7cdsOHGZYwV6z7/ER8k/HVk= Date: Fri, 22 May 2020 14:07:48 +0200 From: Greg KH To: Giuliano Procida Cc: stable@vger.kernel.org Subject: Re: [PATCH 0/4] [backports] fix l2tp use-after-free in pppol2tp_sendmsg Message-ID: <20200522120748.GB1457873@kroah.com> References: <20200521135704.109812-1-gprocida@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200521135704.109812-1-gprocida@google.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, May 21, 2020 at 02:57:00PM +0100, Giuliano Procida wrote: > Hi Greg. > > This is for 4.14. > > We received a PoC (code to run as root with a KASAN kernel) > demonstrating the existence of a use-after-free in pppol2tp_sendmsg. > This was accompanied by a patch to resolve it, consisting mostly of > parts of patch 3 plus a little of 4. > > The following patches all apply cleanly and compile with allmodconfig. > However, I lack the hardware to test them. All now queued up, thanks. greg k-h