Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 1 Jun 1998 03:36:36 +0900 (JST)
From:      Michael Hancock <michaelh@cet.co.jp>
To:        Terry Lambert <tlambert@primenet.com>
Cc:        julian@whistle.com, phk@critter.freebsd.dk, current@FreeBSD.ORG
Subject:   Re: I see one major problem with DEVFS...
Message-ID:  <Pine.SV4.3.95.980601033450.7241A-100000@parkplace.cet.co.jp>
In-Reply-To: <199805311005.DAA20689@usr04.primenet.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, 31 May 1998, Terry Lambert wrote:

> > > Just to get peace over the land again, I think you should implement
> > > it so that one can mknod a device again, but discard the dev_t,
> > > and use whatever DEVFS knows (better).
> 
> This is a security hole.
> 
> If a device is removed from a chroot environment, it should be impossible
> to recreate it.
> 
> The reasoning should be obvious.

Why not just control permissions on mknod?


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.SV4.3.95.980601033450.7241A-100000>