From: David Howells <dhowells@redhat.com>
To: "Jeff V. Merkey" <jmerkey@wolfmountaingroup.com>
Cc: Nate Diller <nate.diller@gmail.com>,
sds@tycho.nsa.gov, jmorris@namei.org, chrisw@sous-sol.org,
selinux@tycho.nsa.gov, linux-kernel@vger.kernel.org,
aviro@redhat.com, Christoph Hellwig <hch@infradead.org>
Subject: Re: Security issues with local filesystem caching
Date: Wed, 25 Oct 2006 18:21:16 +0100 [thread overview]
Message-ID: <25083.1161796876@redhat.com> (raw)
In-Reply-To: <453F9555.1050201@wolfmountaingroup.com>
Jeff V. Merkey <jmerkey@wolfmountaingroup.com> wrote:
> SELinux support addresses all of these issues for B1 level security quite
> well with mandatory access controls at the fs layers. In fact, it works so
> well, when enabled you cannot even run apache on top of an FS unless
> configured properly.
How? The problem I've got is that the caching code would be creating and
accessing files and directories with the wrong security context - that of the
calling process - and not a context suitable for sharing things in the cache
whilst protecting them from userspace as best we can.
David
next prev parent reply other threads:[~2006-10-25 17:22 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 10:14 Security issues with local filesystem caching David Howells
2006-10-25 16:52 ` Nate Diller
2006-10-25 16:48 ` Jeff V. Merkey
2006-10-25 17:21 ` David Howells [this message]
2006-10-25 17:42 ` Jeff V. Merkey
2006-10-25 18:15 ` David Howells
2006-10-25 20:21 ` Josef Sipek
2006-10-25 20:28 ` Josef Sipek
2006-10-26 9:56 ` David Howells
2006-10-27 15:54 ` Josef Sipek
2006-10-25 21:12 ` Stephen Smalley
2006-10-26 10:40 ` David Howells
2006-10-26 12:51 ` Stephen Smalley
2006-10-26 16:04 ` David Howells
2006-10-26 16:34 ` Stephen Smalley
2006-10-26 17:09 ` David Howells
2006-10-26 17:45 ` Stephen Smalley
2006-10-26 22:53 ` David Howells
2006-10-27 14:48 ` Stephen Smalley
2006-10-27 15:42 ` David Howells
2006-10-27 16:10 ` Stephen Smalley
2006-10-27 16:25 ` David Howells
2006-10-27 17:09 ` Stephen Smalley
2006-10-27 17:34 ` David Howells
2006-10-27 14:41 ` David Howells
2006-10-25 23:37 ` Alan Cox
2006-10-26 0:32 ` Al Viro
2006-10-26 10:45 ` David Howells
2006-10-26 10:54 ` Alan Cox
2006-10-26 9:14 ` Jan Dittmer
2006-10-26 10:55 ` David Howells
2006-10-26 11:52 ` Alan Cox
2006-10-31 21:26 ` David Howells
2006-11-01 13:28 ` Stephen Smalley
2006-11-01 15:34 ` David Howells
2006-11-01 15:58 ` Karl MacMillan
2006-11-01 17:45 ` Stephen Smalley
2006-11-02 16:29 ` Karl MacMillan
2006-11-02 18:04 ` Stephen Smalley
2006-11-01 17:30 ` Stephen Smalley
2006-11-02 17:16 ` David Howells
2006-11-02 19:49 ` Trond Myklebust
2006-11-02 20:38 ` David Howells
2006-11-02 21:24 ` Trond Myklebust
2006-11-03 10:27 ` David Howells
2006-11-03 13:41 ` Trond Myklebust
2006-11-03 15:23 ` David Howells
2006-11-03 17:30 ` Trond Myklebust
2006-11-14 19:22 ` David Howells
2006-11-15 14:05 ` Trond Myklebust
2006-11-15 15:28 ` David Howells
2006-11-15 16:41 ` Trond Myklebust
2006-11-15 18:17 ` David Howells
2006-11-03 15:33 ` David Howells
2006-11-02 20:33 ` Stephen Smalley
2006-11-02 21:05 ` David Howells
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