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Message-ID: <2a28d30a-22d3-33ff-581c-f1347fbbae74@nmatt.com>
Date: Thu, 8 Jun 2017 16:58:01 -0400
From: Matt Brown <matt@...tt.com>
To: Casey Schaufler <casey@...aufler-ca.com>,
LSM <linux-security-module@...r.kernel.org>, James Morris <jmorris@...ei.org>
Cc: John Johansen <john.johansen@...onical.com>,
Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
Paul Moore <paul@...l-moore.com>, Stephen Smalley <sds@...ho.nsa.gov>,
Kees Cook <keescook@...omium.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
LKLM <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/6] LSM: Security module blob
management
On 6/8/17 4:43 PM, Casey Schaufler wrote:
> Subject: [PATCH 0/6] LSM: Security module blob management
>
> This patch set moves management of security blobs out of
> the Linux security modules and into the security module
> infrastructure. This allows "major" security modules that
> use blobs to be stacked, just as "minor" modules that
> do not use blobs can be stacked today. It stops short of
> providing a safe interface for the Netlabel and SO_PEERSEC.
> As a result, any of the existing security modules may be
> used in combination except for SELinux and Smack.
Very excited about this! I can definitely see use cases for special
purpose LSMs that require data blobs but do not replace things like
SELinux, SMACK or AppArmor. I have had a few ideas recently that would
not be possible under the current setup of one shared blob.
Matt
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