Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 19 Mar 2002 18:32:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 19 Mar 2002 18:32:21 -0500 Received: from pizda.ninka.net ([216.101.162.242]:44487 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Tue, 19 Mar 2002 18:31:32 -0500 Date: Tue, 19 Mar 2002 15:27:59 -0800 (PST) Message-Id: <20020319.152759.06816290.davem@redhat.com> To: lm@bitmover.com Cc: pavel@suse.cz, davej@suse.de, linux-kernel@vger.kernel.org Subject: Re: Bitkeeper licence issues From: "David S. Miller" In-Reply-To: <20020319152502.J14877@work.bitmover.com> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Larry McVoy Date: Tue, 19 Mar 2002 15:25:02 -0800 Come on Pavel, in order to make this happen, you have to a) run the installer as root b) know the next pid which will be allocated c) put the symlink in /tmp/installer$pid Exploit: Make all 65535 $pid simlinks It's very exploitable actually, and is similar in vein to all the ancient mktemp stuff. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/