linux-kernel - Re: [PATCH v3 0/6] LSM: LoadPin for kernel file loading restrictions

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: <alpine.LRH.2.20.1604121959180.32247@namei.org>
Date:	Tue, 12 Apr 2016 19:59:50 +1000 (AEST)
From:	James Morris <jmorris@...ei.org>
To:	Kees Cook <keescook@...omium.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Joe Perches <joe@...ches.com>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Kalle Valo <kvalo@...eaurora.org>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Jiri Slaby <jslaby@...e.com>, Paul Moore <pmoore@...hat.com>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	Casey Schaufler <casey@...aufler-ca.com>,
	Andreas Gruenbacher <agruenba@...hat.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Vitaly Kuznetsov <vkuznets@...hat.com>,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/6] LSM: LoadPin for kernel file loading
 restrictions

On Wed, 6 Apr 2016, Kees Cook wrote:

> This provides the mini-LSM "loadpin" that intercepts the now consolidated
> kernel_file_read LSM hook so that a system can keep all loads coming from
> a single trusted filesystem. This is what Chrome OS uses to pin kernel
> module and firmware loading to the read-only crypto-verified dm-verity
> partition so that kernel module signing is not needed.
> 

This all looks good to me, just waiting now for the const fix suggested by 
Joe.


-- 
James Morris
<jmorris@...ei.org>