linux-kernel - Re: [RFC] Second attempt at kernel secure boot support

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: <20121101162651.GD13132@srcf.ucam.org>
Date:	Thu, 1 Nov 2012 16:26:51 +0000
From:	Matthew Garrett <mjg@...hat.com>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Eric Paris <eparis@...isplace.org>, Jiri Kosina <jkosina@...e.cz>,
	Oliver Neukum <oneukum@...e.de>,
	Chris Friesen <chris.friesen@...band.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Josh Boyer <jwboyer@...il.com>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-efi@...r.kernel.org
Subject: Re: [RFC] Second attempt at kernel secure boot support

On Thu, Nov 01, 2012 at 03:06:30PM +0000, James Bottomley wrote:

> But surely that's fanciful ... you've already compromised windows to get
> access to the ESP.  If you've done it once, you can do it again until
> the exploit is patched.  There are likely many easier ways of ensuring
> persistence than trying to install a full linux kernel with a
> compromised resume system.

There's a pretty strong distinction between "Machine is exploited until 
exploit is patched" and "Machine is exploited until drive is replaced".

-- 
Matthew Garrett | mjg59@...f.ucam.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/