linux-kernel - Re: [PATCH] firmware: export x86_64 platform flash bios region via sysfs

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]

Date:   Fri, 12 Nov 2021 10:09:14 +0000
From:   Richard Hughes <hughsient@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Hans-Gert Dahmen <hans-gert.dahmen@...u.ne>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Mauro Lima <mauro.lima@...ypsium.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Philipp Deppenwiese <philipp.deppenwiese@...u.ne>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH] firmware: export x86_64 platform flash bios region via sysfs

On Fri, 12 Nov 2021 at 06:52, Greg KH <gregkh@...uxfoundation.org> wrote:
> Why don't we just export these areas to userspace and let the decoding
> of them happen there?

Unless I'm missing something, the patch from Hans-Gert does just that:
exposing the IFD BIOS partition that encloses the various EFI file
volumes.

Richard.