[Devel] Re: [PATCH 0/3] capabilities: per-process capbset

James Morris jmorris at namei.org
Mon Oct 1 16:03:38 PDT 2007


On Mon, 1 Oct 2007, Serge E. Hallyn wrote:

> Here is a new per-process capability bounding set patchset
> which I expect to send to linux-kernel soon.  It makes
> the capbset per-process.  A process can only permanently
> remove bits from it's bounding set, not add them.  To
> remove bits, CAP_SYS_ADMIN is currently needed.  Maybe
> that's not the best choice, but some privilege should
> probably be required.

I'm not clear on why privilege would required for a process to remove 
capability bits from its set.  (Sure, if running setuid).

Doesn't that just make it more difficult to write safe applications ?


-- 
James Morris
<jmorris at namei.org>
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