Messages in this thread | | | Subject | Re: Time to remove LSM (was Re: [RESEND][RFC][PATCH 2/7] implementation of LSM hooks) | From | Stephen Smalley <> | Date | Thu, 20 Apr 2006 08:39:51 -0400 |
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On Wed, 2006-04-19 at 11:10 -0700, Greg KH wrote: > On Wed, Apr 19, 2006 at 12:33:24PM -0400, James Morris wrote: > > The LSM interface is also being abused by several proprietary kernel > > modules, some of which are not even security related. In one case, > > there's code which dangerously revectors SELinux with a shim layer > > designed to try and bypass the GPL. Some of this is a response to > > unexporting the syscall table, where projects which abused that have now > > switched to LSM. > > I agree that this is happening today. Which makes me wonder, why is the > variable "security_ops" exported through "EXPORT_SYMBOL()" and not > "EXPORT_SYMBOL_GPL()"? It seems that people are taking advantage of > this and changing it would help slow them down a bit. > > Chris, would you take a patch to change this?
Seems like a rather weak mechanism. Compared to eliminating security_ops altogether.
-- Stephen Smalley National Security Agency
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