Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264461AbUFXNZO (ORCPT ); Thu, 24 Jun 2004 09:25:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264526AbUFXNZO (ORCPT ); Thu, 24 Jun 2004 09:25:14 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:31154 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S264461AbUFXNZK (ORCPT ); Thu, 24 Jun 2004 09:25:10 -0400 Date: Tue, 22 Jun 2004 17:32:32 +0200 From: Pavel Machek To: Chris Wedgwood Cc: Egmont Koblinger , linux-kernel@vger.kernel.org Subject: Re: information leak in vga console scrollback buffer Message-ID: <20040622153231.GA698@openzaurus.ucw.cz> References: <20040612204352.GA22347@taniwha.stupidest.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040612204352.GA22347@taniwha.stupidest.org> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 799 Lines: 23 Hi! > > Using the standard vga console, it is easily possible to read some > > random pieces of texts that were scrolled out a long time ago (often > > you can see your boot messages or similar stuff even after switcing > > to another console or even to X. All you need is a local user access > > to the console. > > Feature not bug. Read it again. Scrollback should be cleared by console switch, but it can be recovered using obscure escape sequence. Time for bugtraq? -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - 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/