From: Chris Wright <chrisw@sous-sol.org>
To: Eric Paris <eparis@redhat.com>
Cc: linux-kernel@vger.kernel.org, selinux@tycho.nsa.gov,
Alan Cox <alan@redhat.com>,
drepper@redhat.com, roland@redhat.com, arjan@infradead.org,
mingo@elte.hu, viro@zeniv.linux.org.uk, jmorris@namei.org,
chrisw@redhat.com, sds@tycho.nsa.gov, sgrubb@redhat.com
Subject: Re: [PATCH] Protection for exploiting null dereference using mmap
Date: Tue, 5 Jun 2007 15:53:03 -0700 [thread overview]
Message-ID: <20070605225302.GE3723@sequoia.sous-sol.org> (raw)
In-Reply-To: <1181075666.3978.31.camel@localhost.localdomain>
* Eric Paris (eparis@redhat.com) wrote:
> One result of using the dummy hook for non-selinux kernels means that I
> can't leave the generic module stacking code in the SELinux check. If
> the secondary ops are called they will always deny the operation just
> like in non-selinux systems even if SELinux policy would have allowed
> the action. This patch may be the first step to removing the arbitrary
> LSM module stacking code from SELinux. I think history has shown the
> arbitrary module stacking is not a good idea and eventually I want to
> pull out all the secondary calls which aren't used by the capability
> module, so I view this as just the first step along those lines.
Or replace them all with direct library calls to the capability code.
next prev parent reply other threads:[~2007-06-05 22:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1180561713.3633.27.camel@dhcp231-215.rdu.redhat.com>
[not found] ` <20070603205653.GE25869@devserv.devel.redhat.com>
[not found] ` <1180964306.14220.34.camel@moss-spartans.epoch.ncsc.mil>
2007-06-05 20:34 ` [PATCH] Protection for exploiting null dereference using mmap Eric Paris
2007-06-05 21:00 ` James Morris
2007-06-05 21:16 ` Alan Cox
2007-06-05 21:28 ` Eric Paris
2007-06-05 22:46 ` H. Peter Anvin
2007-06-07 14:28 ` Pavel Machek
2007-06-06 12:47 ` Stephen Smalley
2007-06-07 16:58 ` Jan Engelhardt
2007-06-06 6:30 ` Eric Paris
2007-06-06 13:21 ` James Morris
2007-06-06 17:30 ` Stephen Smalley
2007-06-06 18:01 ` James Morris
2007-06-06 18:06 ` Chris Wright
2007-06-20 19:48 ` Adam Jackson
2007-06-05 22:49 ` Chris Wright
2007-06-05 22:53 ` Chris Wright [this message]
2007-06-06 12:12 ` Stephen Smalley
2007-06-06 9:01 ` Russell Coker
2007-06-06 12:18 ` Stephen Smalley
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