linux-kernel - Re: [PATCH 01/12] Security: Add CAP_COMPROMISE

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: <1363802506.2580.55.camel@falcor1.watson.ibm.com>
Date:	Wed, 20 Mar 2013 14:01:46 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Matthew Garrett <matthew.garrett@...ula.com>
Cc:	James Morris <jmorris@...ei.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-security-module@...r.kernel.org" 
	<linux-security-module@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 01/12] Security: Add CAP_COMPROMISE_KERNEL

On Wed, 2013-03-20 at 16:49 +0000, Matthew Garrett wrote:
> On Wed, 2013-03-20 at 12:41 -0400, Mimi Zohar wrote:
> 
> > Matthrew, perhaps you could clarify whether this will be tied to MAC
> > security.  Based on the kexec thread, I'm under the impression that is
> > not the intention, or at least not for kexec.  As root isn't trusted,
> > neither is the boot command line, nor any policy that is loaded by root,
> > including those for MAC.
> 
> The work done on signed initramfs fragments would seem to be the best
> option here so far?

Sorry, I'm not sure to which work you're referring. If you're referring
to Dmitry's "initramfs with digital signature protection" patches, then
we're speaking about enforcing integrity, not MAC security.  

thanks,

Mimi

--
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/