linux-kernel - Re: [PATCH v2 10/10] efi/arm64: ignore dtb= when UEFI SecureBoot is enabled

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Message-ID: <20140429112849.GJ26088@console-pimps.org>
Date:	Tue, 29 Apr 2014 12:28:49 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Leif Lindholm <leif.lindholm@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, matt.fleming@...el.com,
	catalin.marinas@....com, msalter@...hat.com,
	grant.likely@...aro.org, roy.franz@...aro.org,
	ard.biesheuvel@...aro.org, mark.rutland@....com,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 10/10] efi/arm64: ignore dtb= when UEFI SecureBoot is
 enabled

On Fri, 25 Apr, at 05:09:14PM, Leif Lindholm wrote:
> From: Ard Biesheuvel <ard.biesheuvel@...aro.org>
> 
> Loading unauthenticated FDT blobs directly from storage is a security hazard,
> so this should only be allowed when running with UEFI Secure Boot disabled.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>
> Signed-off-by: Leif Lindholm <leif.lindholm@...aro.org>
> ---
>  drivers/firmware/efi/arm-stub.c |   39 +++++++++++++++++++++++++++++++++++----
>  1 file changed, 35 insertions(+), 4 deletions(-)

Acked-by: Matt Fleming <matt.fleming@...el.com>

-- 
Matt Fleming, Intel Open Source Technology Center
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