linux-kernel - Re: [REVIEW][PATCH 0/43] Completing the user namespace

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Message-ID: <CAFLxGvwyx6S6+eZtR=UNSQe_O+W7oZW=GosseL54HGpjtYGXjg@mail.gmail.com>
Date:	Sun, 8 Apr 2012 19:40:52 +0200
From:	richard -rw- weinberger <richard.weinberger@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	Linux Containers <containers@...ts.linux-foundation.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Cyrill Gorcunov <gorcunov@...nvz.org>
Subject: Re: [REVIEW][PATCH 0/43] Completing the user namespace

On Sun, Apr 8, 2012 at 7:10 AM, Eric W. Biederman <ebiederm@...ssion.com> wrote:
> - Capabilities are localized to the current user namespace making
>  it safe to give the initial user in a user namespace all capabilities.
>

So, this makes LXC and friends ready for hostile environments?
IOW a root user (with all capabilities) sitting in his own namespace can no
longer ham the host?

-- 
Thanks,
//richard
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