Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 23 Mar 2003 05:33:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 23 Mar 2003 05:33:14 -0500 Received: from node-d-1ea6.a2000.nl ([62.195.30.166]:10991 "EHLO laptop.fenrus.com") by vger.kernel.org with ESMTP id ; Sun, 23 Mar 2003 05:33:13 -0500 Subject: Re: 2.4+ptrace exploit fix breaks root's ability to strace From: Arjan van de Ven Reply-To: arjanv@redhat.com To: "Lists (lst)" Cc: Alan Cox , Russell King , Linux Kernel Mailing List In-Reply-To: References: <20030322103121.A16994@flint.arm.linux.org.uk> <1048345130.8912.9.camel@irongate.swansea.linux.org.uk> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-y1etykm1sZ9zi0JGKEOB" Organization: Red Hat, Inc. Message-Id: <1048416233.1499.1.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-4) Date: 23 Mar 2003 11:43:53 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1220 Lines: 41 --=-y1etykm1sZ9zi0JGKEOB Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2003-03-23 at 11:31, Lists (lst) wrote: > On Sat, 22 Mar 2003, Alan Cox wrote: >=20 > > On Sat, 2003-03-22 at 10:31, Russell King wrote: > > > Are the authors of the ptrace patch aware that, in addition to closin= g the > > > hole, the "fix" also prevents a ptrace-capable task (eg, strace start= ed by > > > root) from ptracing user threads? > >=20 > > Its an unintended side effect, nobody has sent a patch to fix it yet. >=20 > Hi, >=20 > mlafon send a patch to the list: uid =3D=3D 0 is the wrong test --=-y1etykm1sZ9zi0JGKEOB Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQA+fY/pxULwo51rQBIRAnnxAJ0fr2qQkU+Ar7BP1yLNH7DVpjdFPgCgo5Og VDFeZVWN5b7dWNoosDTD66Q= =zMtP -----END PGP SIGNATURE----- --=-y1etykm1sZ9zi0JGKEOB-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/