Subject: Re: Mount permissions
To: =?iso-8859-2?B?SmFyb23tciBEb2xl6GVr?= <email@example.com>
From: Bill Studenmund <firstname.lastname@example.org>
Date: 01/27/2000 10:51:58
On Thu, 27 Jan 2000, [iso-8859-2] Jarom=EDr Dole=E8ek wrote:
> How about umapfs - isn't it possible to create e.g. root shell just by
> creating your-user suid shell and mouting an umapfs which would map
> your user to root ?
> Are there any possible problems with other stacked filesystems ?
Nope. You have to be root to mount a umap layer, precicely so that you
can't give yourself more privileges. :-)