From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753518Ab1HAUnu (ORCPT ); Mon, 1 Aug 2011 16:43:50 -0400 Received: from mail.tpi.com ([70.99.223.143]:3096 "EHLO mail.tpi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753475Ab1HAUnp (ORCPT ); Mon, 1 Aug 2011 16:43:45 -0400 Message-ID: <4E370FFA.7050106@canonical.com> Date: Mon, 01 Aug 2011 14:43:38 -0600 From: Tim Gardner User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110617 Thunderbird/3.1.11 MIME-Version: 1.0 To: Andi Kleen CC: "Eric W. Biederman" , dan@aloni.org, davem@davemloft.net, gregkh@suse.de, ak@linux.intel.com, linux-kernel@vger.kernel.org, stable@kernel.org, tim.bird@am.sony.com, stable@vger.kernel.org Subject: Re: [stable] [PATCH] [26/98] af_unix: Only allow recv on connected seqpacket sockets. References: <20110726534.972201586@firstfloor.org> <20110727003518.6DA772403FF@tassilo.jf.intel.com> <4E3035BE.6090908@canonical.com> <20110801200857.GE27083@one.firstfloor.org> In-Reply-To: <20110801200857.GE27083@one.firstfloor.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/01/2011 02:08 PM, Andi Kleen wrote: >> For 2.6.38, and Andi's 2.6.35 which has the potential for an >> unprivileged process to trigger an oops, it seems irresponsible to me to >> not include this change. People who exploit kernel flaws seem good at >> taking random Oops's and converting them into methods for privilege >> escalation. > > I'll ship 2.6.25.14 without the patch, but can you guys please come to a > conclusion whether the patch is useful or not. I'll reconsider it for .15. > > Thanks, > > -Andi > I'd go with Eric's assessment. He knows way more about this then I do. I am much less confident that the problem Ubuntu experienced with 2.6.35 was related, it only felt the same (similar network issues). rtg -- Tim Gardner tim.gardner@canonical.com