From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Russell King <rmk@arm.linux.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.4+ptrace exploit fix breaks root's ability to strace
Date: 22 Mar 2003 14:58:51 +0000 [thread overview]
Message-ID: <1048345130.8912.9.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <20030322103121.A16994@flint.arm.linux.org.uk>
On Sat, 2003-03-22 at 10:31, Russell King wrote:
> Hi,
>
> Are the authors of the ptrace patch aware that, in addition to closing the
> hole, the "fix" also prevents a ptrace-capable task (eg, strace started by
> root) from ptracing user threads?
>
> For example, you can't strace vsftpd processes started from xinetd.
>
> Is this intended behaviour?
Its an unintended side effect, nobody has sent a patch to fix it yet.
next prev parent reply other threads:[~2003-03-22 13:35 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-22 10:31 2.4+ptrace exploit fix breaks root's ability to strace Russell King
2003-03-22 14:58 ` Alan Cox [this message]
2003-03-22 14:10 ` Russell King
2003-03-22 15:28 ` Arjan van de Ven
2003-03-22 17:13 ` Russell King
2003-03-22 17:28 ` Arjan van de Ven
2003-03-22 19:09 ` Alan Cox
2003-03-22 18:01 ` Russell King
2003-03-23 10:31 ` Lists (lst)
2003-03-23 10:38 ` Russell King
2003-03-23 11:11 ` Martin Loschwitz
2003-03-23 10:43 ` Arjan van de Ven
2003-04-17 5:46 Yusuf Wilajati Purna
2003-04-19 5:57 ` Bernhard Kaindl
2003-04-22 5:03 ` Yusuf Wilajati Purna
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