From: Matthias Andree <matthias.andree@stud.uni-dortmund.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Linux 2.2.18pre21
Date: Thu, 16 Nov 2000 23:56:15 +0100 [thread overview]
Message-ID: <20001116235615.B20283@emma1.emma.line.org> (raw)
In-Reply-To: <E13u4XD-0001oe-00@the-village.bc.nu> <20001116150704.A883@emma1.emma.line.org> <20001116171618.A25545@athlon.random> <20001116115249.A8115@wirex.com>
In-Reply-To: <20001116115249.A8115@wirex.com>; from jesse@wirex.com on Thu, Nov 16, 2000 at 11:52:49 -0800
On Thu, 16 Nov 2000, jesse wrote:
> But the problem is because you can call chroot when you're already chrooted.
It's a non-problem. chroot()ing again may also be used to de-escalate
privileges, and if you want to prevent breaking out of a chroot, drop
root privileges, since chroot is a privileged call. And DO USE setuid,
not seteuid or something (otherwise the saved set-uid will bite you).
--
Matthias Andree
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next prev parent reply other threads:[~2000-11-16 23:26 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-10 10:59 Arnaud S . Launay
2000-11-10 3:07 ` Alan Cox
2000-11-10 3:44 ` David S. Miller
2000-11-10 11:35 ` Benjamin Herrenschmidt
2000-11-10 15:34 ` David S. Miller
2000-11-10 15:42 ` Tom Rini
2000-11-10 10:52 ` David S. Miller
2000-11-16 14:07 ` Matthias Andree
2000-11-16 16:16 ` Andrea Arcangeli
2000-11-16 19:52 ` jesse
2000-11-16 20:02 ` chroot [Was: Re: Linux 2.2.18pre21] Kurt Roeckx
2000-11-16 21:40 ` Linux 2.2.18pre21 Alan Cox
2000-11-18 10:07 ` Rogier Wolff
2000-11-18 17:32 ` kuznet
2000-11-18 17:34 ` Rogier Wolff
2000-11-18 17:47 ` kuznet
2000-11-18 17:51 ` Rogier Wolff
2000-11-16 22:56 ` Matthias Andree [this message]
2000-11-17 6:30 ` Peter Samuelson
2000-11-17 6:40 ` H. Peter Anvin
2000-11-17 11:22 ` Peter Samuelson
2000-11-17 17:35 ` H. Peter Anvin
2000-11-17 11:34 ` Matthias Andree
2000-11-17 19:23 ` jesse
2000-11-18 20:44 ` Pavel Machek
2000-11-18 1:38 ` Nix
2000-11-21 4:19 ` Peter Samuelson
-- strict thread matches above, loose matches on Subject: below --
2000-11-13 9:47 willy tarreau
2000-11-13 7:00 willy tarreau
2000-11-10 11:21 willy tarreau
2000-11-10 10:49 willy tarreau
2000-11-10 10:40 willy tarreau
2000-11-10 9:28 willy tarreau
2000-11-10 9:44 ` Matti Aarnio
2000-11-10 9:57 ` Constantine Gavrilov
2000-11-10 10:14 ` Matti Aarnio
2000-11-10 10:22 ` Constantine Gavrilov
2000-11-10 10:51 ` Matti Aarnio
2000-11-10 19:11 ` Thomas Davis
2000-11-10 10:18 ` Constantine Gavrilov
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