From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263296AbTDVQkv (ORCPT ); Tue, 22 Apr 2003 12:40:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263298AbTDVQkv (ORCPT ); Tue, 22 Apr 2003 12:40:51 -0400 Received: from pointblue.com.pl ([62.89.73.6]:48657 "EHLO pointblue.com.pl") by vger.kernel.org with ESMTP id S263296AbTDVQku (ORCPT ); Tue, 22 Apr 2003 12:40:50 -0400 Subject: Re: kernel ring buffer accessible by users From: Grzegorz Jaskiewicz To: Michael Buesch Cc: lkml , Julien Oster In-Reply-To: <200304221844.05754.fsdeveloper@yahoo.de> References: <200304221844.05754.fsdeveloper@yahoo.de> Content-Type: text/plain Organization: K4 labs Message-Id: <1051030369.4683.1.camel@flat41> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 22 Apr 2003 17:52:49 +0100 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2003-04-22 at 17:44, Michael Buesch wrote: > On Tuesday 22 April 2003 18:21, Julien Oster wrote: > > it's been quite a while that I noticed that any ordinary user, not > > just root, can type "dmesg" to see the kernel ring buffer. > > just make > $ chmod 700 /bin/dmesg and chmod 0600 /var/log/dmesg , as on some systems it is rw-r--r-- -- Grzegorz Jaskiewicz K4 labs