From: Chris Wright <chris@wirex.com>
To: carbonated beverage <ramune@net-ronin.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: capable open_port() check wrong for kmem
Date: Wed, 11 Dec 2002 18:11:44 -0800 [thread overview]
Message-ID: <20021211181144.B26790@figure1.int.wirex.com> (raw)
In-Reply-To: <20021212013849.GA24054@net-ronin.org>; from ramune@net-ronin.org on Wed, Dec 11, 2002 at 05:38:49PM -0800
* carbonated beverage (ramune@net-ronin.org) wrote:
>
> So if I want to have a generic utility that can be used by any user (and
> I'm not granting CAP_SYS_RAWIO to every process), then I can:
>
> 1) make it suid root
> 2) drop all caps other than cap_sys_rawio
>
> or
>
> 1) add the capability to the executable, assuming it worked...
this is not supported without kernel patches. in general you have to
start with full capabilities and shed the ones you don't need.
thanks,
-chris
--
Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net
next prev parent reply other threads:[~2002-12-12 2:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-10 3:22 capable open_port() check wrong for kmem carbonated beverage
2002-12-10 5:45 ` David Wagner
2002-12-10 6:27 ` David Schwartz
[not found] ` <20021210064134.GA17928@net-ronin.org>
2002-12-10 6:51 ` carbonated beverage
2002-12-12 0:43 ` Chris Wright
2002-12-12 1:38 ` carbonated beverage
2002-12-12 2:11 ` Chris Wright [this message]
2002-12-10 11:33 ` Olaf Dietsche
2002-12-11 22:38 ` carbonated beverage
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