Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751469Ab0DOGgs (ORCPT ); Thu, 15 Apr 2010 02:36:48 -0400 Received: from relay.felk.cvut.cz ([147.32.80.7]:53248 "EHLO relay.felk.cvut.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751112Ab0DOGgr (ORCPT ); Thu, 15 Apr 2010 02:36:47 -0400 Date: Thu, 15 Apr 2010 08:36:26 +0200 From: Michal Svoboda To: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Kconfig: Make config Filter access to /dev/mem default y Message-ID: <20100415063626.GG21894@myhost.felk.cvut.cz> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20100413025228.GC10860@localhost.localdomain> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="GdbWtwDHkcXqP16f" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) X-FELK-MailScanner-Information: X-MailScanner-ID: o3F6aQf0077535 X-FELK-MailScanner: Found to be clean X-FELK-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-1.9, required 5, autolearn=not spam, BAYES_00 -1.90) X-FELK-MailScanner-From: michal.svoboda@agents.felk.cvut.cz X-FELK-MailScanner-To: linux-kernel@vger.kernel.org X-FELK-MailScanner-Watermark: 1271918188.85544@9qQc7cEHXa6MsTSi5IiDdA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 860 Lines: 29 --GdbWtwDHkcXqP16f Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Xiaotian Feng wrote: > Have you ever successfully attack by this way? If CONFIG_STRICT_DEVMEM > is not set, the /dev/mem access is filtered in pat code. If that option doesn't add any protection, what's it good for? --GdbWtwDHkcXqP16f Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkvGs+oACgkQg/fU9pp1uX5uNQCeOUbNUldpqbmMtnW94XXLgGhD XREAn0/FfLnb9LZaFfDaJDQjeIT2qIoN =cxKh -----END PGP SIGNATURE----- --GdbWtwDHkcXqP16f-- -- 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/