linux-kernel - Re: [PATCH 0/8] efi: Pass secure boot mode to kernel [ver #6]

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170111150150.GC29649@codeblueprint.co.uk>
Date:   Wed, 11 Jan 2017 15:01:50 +0000
From:   Matt Fleming <matt@...eblueprint.co.uk>
To:     David Howells <dhowells@...hat.com>
Cc:     ard.biesheuvel@...aro.org, linux-efi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, keyrings@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/8] efi: Pass secure boot mode to kernel [ver #6]

On Thu, 08 Dec, at 12:30:08PM, David Howells wrote:
> 
> Here's a set of patches that can determine the secure boot state of the
> UEFI BIOS and pass that along to the main kernel image.  This involves
> generalising ARM's efi_get_secureboot() function and making it mixed-mode
> safe.

This version looks OK to me apart from the couple of comments I made.

Ard, did you take a look? In particular some boot testing on ARM/arm64
would be useful. x86 boots fine in both regular and mixed mode but
I've only tested without Secure Boot enabled.