linux-kernel - Re: [PATCH] security: add a mount option to make caps inheritable, re-enable CAP

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Message-ID: <20060919195603.GC7246@elf.ucw.cz>
Date:	Tue, 19 Sep 2006 21:56:03 +0200
From:	Pavel Machek <pavel@....cz>
To:	David Madore <david.madore@....fr>
Cc:	Linux Kernel mailing-list <linux-kernel@...r.kernel.org>,
	LSM mailing-list <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH] security: add a mount option to make caps inheritable, re-enable CAP_SETPCAP

Hi!

> Attempt to make capabilities mildly useful, without breaking anything
> and while still adhering to POSIX.1e semantics:
> 
>  * add a "inhcaps" mount option (MS_INHCAPS) which provides full
>    executable inheritable and effective sets (we cannot provide
>    finer-grained control over the mask, as fs-independent mount
>    options are only one bit wide each);

>  * re-enable CAP_SETPCAP which had been disabled following an
>    incorrect analysis of a past sendmail security hole.

Okay, I guess these two should go as a separate patches... Otherwise
patch looks okay to me.

Acked-by: Pavel Machek <pavel@...e.cz>
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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