linux-kernel - Re: [PATCH V3 11/11] Add option to automatically enforce module signatures when in Secure Boot mode

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 for Android: free password hash cracker in your pocket

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

Date:	Thu, 5 Sep 2013 12:54:41 +0000
From:	Matthew Garrett <matthew.garrett@...ula.com>
To:	Matt Fleming <matt@...sole-pimps.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"keescook@...omium.org" <keescook@...omium.org>,
	"hpa@...or.com" <hpa@...or.com>
Subject: Re: [PATCH V3 11/11] Add option to automatically enforce module
 signatures when in Secure Boot mode

On Thu, 2013-09-05 at 11:16 +0100, Matt Fleming wrote:

> I'd advise checking efi_enabled(EFI_BOOT) along with .secure_boot to
> guard against garbage values in boot_params.

We've called sanitize_boot_params(), so we can assert that there are no
garbage values.

-- 
Matthew Garrett <matthew.garrett@...ula.com>