Date: Fri, 9 Jun 2017 13:54:25 +1000 (AEST) From: James Morris <jmorris@...ei.org> To: Matt Brown <matt@...tt.com> cc: Casey Schaufler <casey@...aufler-ca.com>, LSM <linux-security-module@...r.kernel.org>, 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 Thu, 8 Jun 2017, Matt Brown wrote: > 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. Please post details of these ideas once you have say a prototype working with Casey's patches. -- James Morris <jmorris@...ei.org>
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