From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down Date: Thu, 6 Apr 2017 21:43:54 +0200 Message-ID: References: <149142326734.5101.4596394505987813763.stgit@warthog.procyon.org.uk> <149142341772.5101.12366553346604485034.stgit@warthog.procyon.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Received: from mail-oi0-f65.google.com ([209.85.218.65]:36348 "EHLO mail-oi0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751251AbdDFTnz (ORCPT ); Thu, 6 Apr 2017 15:43:55 -0400 In-Reply-To: <149142341772.5101.12366553346604485034.stgit@warthog.procyon.org.uk> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: David Howells Cc: Linux Kernel Mailing List , gnomes@lxorguk.ukuu.org.uk, linux-efi@vger.kernel.org, Josh Boyer , Greg Kroah-Hartman , ACPI Devel Maling List , linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, matthew.garrett@nebula.com On Wed, Apr 5, 2017 at 10:16 PM, David Howells wrote: > From: Josh Boyer > > This option allows userspace to pass the RSDP address to the kernel, which > makes it possible for a user to circumvent any restrictions imposed on > loading modules. Ignore the option when the kernel is locked down. I'm not really sure here. What exactly is the mechanism? Thanks, Rafael From mboxrd@z Thu Jan 1 00:00:00 1970 From: rafael@kernel.org (Rafael J. Wysocki) Date: Thu, 6 Apr 2017 21:43:54 +0200 Subject: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down In-Reply-To: <149142341772.5101.12366553346604485034.stgit@warthog.procyon.org.uk> References: <149142326734.5101.4596394505987813763.stgit@warthog.procyon.org.uk> <149142341772.5101.12366553346604485034.stgit@warthog.procyon.org.uk> Message-ID: To: linux-security-module@vger.kernel.org List-Id: linux-security-module.vger.kernel.org On Wed, Apr 5, 2017 at 10:16 PM, David Howells wrote: > From: Josh Boyer > > This option allows userspace to pass the RSDP address to the kernel, which > makes it possible for a user to circumvent any restrictions imposed on > loading modules. Ignore the option when the kernel is locked down. I'm not really sure here. What exactly is the mechanism? Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html