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SubjectRe: [RFC][PATCH] Add LSM sysctl hook to 2.5.59
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On Mon, 20 Jan 2003 01:08, Christoph Hellwig wrote:
> 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?

What exactly do you mean by "live with DAC" in this context? If you mean
"allow UID==0 processes to do whatever they like" then it's not going to work
for any sort of chroot setup.

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