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

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

From: Cyrill Gorcunov <hidden>
Date: 2011-09-12 15:06:46
Also in: lkml

On Sat, Sep 10, 2011 at 08:41:34PM +0400, Vasiliy Kulikov wrote:
Historically /proc/slabinfo has 0444 permissions and is accessible to
the world.  slabinfo contains rather private information related both to
the kernel and userspace tasks.  Depending on the situation, it might
reveal either private information per se or information useful to make
another targeted attack.  Some examples of what can be learned by
reading/watching for /proc/slabinfo entries:
...

Since this file is controversy point, probably its permissions might be
configurable via setup option?

	Cyrill

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