Re: [RFC][PATCH] Add LSM sysctl hook to 2.5.59

From: Christoph Hellwig (
Date: Sun Jan 19 2003 - 19:08:53 EST

On Fri, Jan 17, 2003 at 04:54:37PM -0500, Stephen D. Smalley wrote:
> This patch adds a LSM sysctl hook for controlling access to
> sysctl variables to 2.5.59, split out from the lsm-2.5 BitKeeper tree.
> SELinux uses this hook to control such accesses in accordance with the
> security policy configuration.

I'm not very happy with this hook. This means every single security
module needs a list of all sensitive sysctl variables, i.e. we duplicate
information in (possible a large number of) different places.

What's the reason you can't just live with DAC for sysctls?

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