Thread (34 messages) 34 messages, 8 authors, 2011-09-19

Re: [kernel-hardening] Re: [RFC PATCH 2/2] mm: restrict access to /proc/slabinfo

From: Pekka Enberg <hidden>
Date: 2011-09-19 19:33:17
Also in: lkml

Possibly related (same subject, not in this thread)

On Mon, Sep 19, 2011 at 9:55 PM, Vasiliy Kulikov [off-list ref] wrote:
Is there another way to get directly or indirectly the information about
slabs?
I didn't check closely but there seems to be some filesystem specific
stats under /proc at least. No idea how useful those are as attack
vectors.

I also suspect there are per-module knobs under /proc and /sys that
can be used to get indirect information. Many subsystems have
implemented their own slab wrappers in the past and they keep popping
up every now and then.

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