linux-kernel - Re: Out of tree module using LSM

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Date:	Thu, 29 Nov 2007 10:03:09 -0800
From:	"Ray Lee" <ray-lk@...rabbit.org>
To:	"Greg KH" <greg@...ah.com>
Cc:	"Jan Engelhardt" <jengelh@...putergmbh.de>,
	"Jon Masters" <jonathan@...masters.org>, Valdis.Kletnieks@...edu,
	"Christoph Hellwig" <hch@...radead.org>,
	"Al Viro" <viro@....linux.org.uk>,
	"Casey Schaufler" <casey@...aufler-ca.com>,
	"Tvrtko A. Ursulin" <tvrtko.ursulin@...hos.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Out of tree module using LSM

On Nov 29, 2007 9:45 AM, Greg KH <greg@...ah.com> wrote:
> > Perhaps if you looked at this outside of a file-server scenario, the
> > problem would be clearer? Anti-malware companies want to check
> > anything written to disk on a system, either at write time or blocking
> > the open/mmap. That means proactively protecting email programs with
> > known vulnerabilities that have yet to be patched, web browsers
> > writing and reading their caches, an Apache instance running WebDAV,
> > the list goes on. And these are on desktop systems, with no attached
> > file/network server.
>
> Ok, if they want to check on every open/mmap then just hook in glibc to
> do this.  Especially as they want to run userspace code at this point in
> time.

Doesn't help statically linked binaries, or anything else that bypases glibc.

But yes, I'll let them argue their point from here.
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