linux-kernel - Re: [PATCH v3 2/7] x86, boot: Move ZO to end of buffer

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: <20150310055917.GA3535@pd.tnic>
Date:	Tue, 10 Mar 2015 06:59:17 +0100
From:	Borislav Petkov <bp@...e.de>
To:	Kees Cook <keescook@...omium.org>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	Baoquan He <bhe@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jiri Kosina <jkosina@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>
Subject: Re: [PATCH v3 2/7] x86, boot: Move ZO to end of buffer

On Mon, Mar 09, 2015 at 05:54:01PM -0700, Kees Cook wrote:
> On Sat, Mar 7, 2015 at 2:07 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> > Boris found data from boot stage can not be used kernel stage.
> 
> "... be used during kernel stage."
> 
> Also, can you give a specific example of this problem? (Which data, used how?)

Yeah, I'm filling stuff in, no worries. It just takes twice as long as
I'm decyphering early boot code *and* Yinghai. :-)

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--
--
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/