linux-kernel - Re: Chroot bug

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Message-ID: <Pine.LNX.4.64.0709271548020.22331@twin.jikos.cz>
Date:	Thu, 27 Sep 2007 15:49:05 +0200 (CEST)
From:	Jiri Kosina <jikos@...os.cz>
To:	Miloslav Semler <majkls@...pere.com>
cc:	Kyle Moffett <mrmacman_g4@....com>,
	David Newall <david@...idnewall.com>,
	Adrian Bunk <bunk@...nel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Bill Davidsen <davidsen@....com>,
	Philipp Marek <philipp@...ek.priv.at>, 7eggert@....de,
	bunk@...tum.de, linux-kernel@...r.kernel.org
Subject: Re: Chroot bug

On Wed, 26 Sep 2007, Miloslav Semler wrote:

> so there is no discussion about mount & others. I think, if you have 
> CAP_SYS_MOUNT/CAP_SYS_ADMIN, you need not solve chroot() and how to 
> break it.

CAP_SYS_PTRACE allows you to break out of chroot in a pretty trivial way 
too.

-- 
Jiri Kosina
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