Re: [RFC][PATCH 4/11] security: AppArmor - Core access controls

[Crispin Cowan]

Arjan van de Ven wrote:
> On Wed, 2006-04-19 at 10:49 -0700, Tony Jones wrote:
>   
>> Verify if profile
>> + * authorizes mask operations on pathname (due to lack of vfsmnt it is sadly
>> + * necessary to search mountpoints in namespace -- when nameidata is passed
>> + * more fully, this code can go away).  If more than one mountpoint matches
>> + * but none satisfy the profile, only the first pathname (mountpoint) is
>> + * returned for subsequent logging.
>>     
> that sounds too bad ;) 
> If I manage to mount /etc/passwd as /tmp/passwd, you'll only find the
> later and your entire security system seems to be down the drain.
>   
If you are a confined process, then you don't get to mount things, for
this reason, among others.

Crispin
-- 
Crispin Cowan, Ph.D.                      http://crispincowan.com/~crispin/
Director of Software Engineering, Novell  http://novell.com

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