Messages in this thread | | | Date | Mon, 19 Sep 2011 15:02:34 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [kernel-hardening] Re: [RFC PATCH 2/2] mm: restrict access to /proc/slabinfo |
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On Mon, 19 Sep 2011, Valdis.Kletnieks@vt.edu wrote:
> On Mon, 19 Sep 2011 12:51:10 CDT, Christoph Lameter said: > > > IMHO a restriction of access to slab statistics is reasonable in a > > hardened environment. Make it dependent on CONFIG_SECURITY or some such > > thing? > > Probably need to invent a separate Kconfig variable - CONFIG_SECURITY > is probably a way-too-big hammer for this nail. I can see lots of systems > that want to enable that, but won't want to tighten access to slab.
There is already CONFIG_SECURITY_DMESG_RESTRICT. Generalize that setting to include all sorts of other kernel statistics?
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