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Date: Wed, 19 Apr 2017 16:16:22 -0700
From: Andy Lutomirski <luto@...nel.org>
To: Djalal Harouni <tixxdz@...il.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Andy Lutomirski <luto@...nel.org>, 
	Kees Cook <keescook@...omium.org>, Andrew Morton <akpm@...ux-foundation.org>, 
	"Serge E. Hallyn" <serge@...lyn.com>, 
	"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, 
	LSM List <linux-security-module@...r.kernel.org>, 
	Linux API <linux-api@...r.kernel.org>, Dongsu Park <dpark@...teo.net>, 
	Casey Schaufler <casey@...aufler-ca.com>, James Morris <james.l.morris@...cle.com>, 
	Paul Moore <paul@...l-moore.com>, Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jonathan Corbet <corbet@....net>, 
	Jessica Yu <jeyu@...hat.com>, Rusty Russell <rusty@...tcorp.com.au>, 
	Arnaldo Carvalho de Melo <acme@...hat.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, Ingo Molnar <mingo@...nel.org>, 
	zendyani@...il.com, Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v3 1/2] modules:capabilities: automatic module loading restriction

On Wed, Apr 19, 2017 at 3:20 PM, Djalal Harouni <tixxdz@...il.com> wrote:
> Currently, an explicit call to load or unload kernel modules require
> CAP_SYS_MODULE capability. However unprivileged users have always been
> able to load some modules using the implicit auto-load operation. An
> automatic module loading happens when programs request a kernel feature
> from a module that is not loaded. In order to satisfy userspace, the
> kernel then automatically load all these required modules.

I like this feature.

--Andy

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