From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-integrity@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v3 0/4] unverifiable file signatures
Date: Tue, 13 Mar 2018 16:40:10 -0400 [thread overview]
Message-ID: <1520973610.3547.366.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <87zi3bwyql.fsf@xmission.com>
On Tue, 2018-03-13 at 14:40 -0500, Eric W. Biederman wrote:
> Mimi Zohar <zohar@linux.vnet.ibm.com> writes:
>
> > For local filesystems, the kernel prevents files being executed from
> > being modified. With IMA-measurement enabled, the kernel also emits
> > audit "time of measure, time of use" messages for files opened for
> > read, and subsequently opened for write.
> >
> > Files on fuse are initially measured, appraised, and audited. Although
> > the file data can change dynamically any time, making re-measuring,
> > re-appraising, or re-auditing pointless, this patch set attempts to
> > differentiate between unprivileged non-init root and privileged
> > mounted fuse filesystems.
>
> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
>
> Overall ack on the way this is put together.
Thanks you!
Mimi
WARNING: multiple messages have this Message-ID (diff)
From: zohar@linux.vnet.ibm.com (Mimi Zohar)
To: linux-security-module@vger.kernel.org
Subject: [PATCH v3 0/4] unverifiable file signatures
Date: Tue, 13 Mar 2018 16:40:10 -0400 [thread overview]
Message-ID: <1520973610.3547.366.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <87zi3bwyql.fsf@xmission.com>
On Tue, 2018-03-13 at 14:40 -0500, Eric W. Biederman wrote:
> Mimi Zohar <zohar@linux.vnet.ibm.com> writes:
>
> > For local filesystems, the kernel prevents files being executed from
> > being modified. With IMA-measurement enabled, the kernel also emits
> > audit "time of measure, time of use" messages for files opened for
> > read, and subsequently opened for write.
> >
> > Files on fuse are initially measured, appraised, and audited. Although
> > the file data can change dynamically any time, making re-measuring,
> > re-appraising, or re-auditing pointless, this patch set attempts to
> > differentiate between unprivileged non-init root and privileged
> > mounted fuse filesystems.
>
> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
>
> Overall ack on the way this is put together.
Thanks you!
Mimi
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next prev parent reply other threads:[~2018-03-13 20:40 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-08 20:24 [PATCH v3 0/4] unverifiable file signatures Mimi Zohar
2018-03-08 20:24 ` Mimi Zohar
2018-03-08 20:24 ` [PATCH v3 1/4] ima: fail file signature verification on non-init mounted filesystems Mimi Zohar
2018-03-08 20:24 ` Mimi Zohar
2018-03-12 19:17 ` Serge E. Hallyn
2018-03-12 19:17 ` Serge E. Hallyn
2018-03-12 19:26 ` Serge E. Hallyn
2018-03-12 19:26 ` Serge E. Hallyn
2018-03-13 18:45 ` Eric W. Biederman
2018-03-13 18:45 ` Eric W. Biederman
2018-03-08 20:24 ` [PATCH v3 2/4] ima: re-evaluate files on privileged " Mimi Zohar
2018-03-08 20:24 ` Mimi Zohar
2018-03-12 19:18 ` Serge E. Hallyn
2018-03-12 19:18 ` Serge E. Hallyn
2018-03-13 19:24 ` Eric W. Biederman
2018-03-13 19:24 ` Eric W. Biederman
2018-03-08 20:24 ` [PATCH v3 3/4] ima: fail signature verification based on policy Mimi Zohar
2018-03-08 20:24 ` Mimi Zohar
2018-03-12 19:28 ` Serge E. Hallyn
2018-03-12 19:28 ` Serge E. Hallyn
2018-03-12 19:32 ` Mimi Zohar
2018-03-12 19:32 ` Mimi Zohar
2018-03-13 19:31 ` Eric W. Biederman
2018-03-13 19:31 ` Eric W. Biederman
2018-03-08 20:24 ` [PATCH v3 4/4] fuse: define the filesystem as untrusted Mimi Zohar
2018-03-08 20:24 ` Mimi Zohar
2018-03-12 19:29 ` Serge E. Hallyn
2018-03-12 19:29 ` Serge E. Hallyn
2018-03-13 14:46 ` Stefan Berger
2018-03-13 14:46 ` Stefan Berger
2018-03-14 14:27 ` Serge E. Hallyn
2018-03-14 14:27 ` Serge E. Hallyn
2018-03-14 14:37 ` Stefan Berger
2018-03-14 14:37 ` Stefan Berger
2018-03-13 19:32 ` Eric W. Biederman
2018-03-13 19:32 ` Eric W. Biederman
2018-03-19 11:57 ` Mimi Zohar
2018-03-19 11:57 ` Mimi Zohar
2018-03-19 11:57 ` Mimi Zohar
2018-03-14 7:52 ` Stef Bon
2018-03-14 7:52 ` Stef Bon
2018-03-14 13:01 ` Mimi Zohar
2018-03-14 13:01 ` Mimi Zohar
2018-03-14 16:17 ` Eric W. Biederman
2018-03-14 16:17 ` Eric W. Biederman
2018-03-14 17:50 ` Mimi Zohar
2018-03-14 17:50 ` Mimi Zohar
2018-03-14 17:50 ` Mimi Zohar
2018-03-14 18:08 ` Chuck Lever
2018-03-14 18:08 ` Chuck Lever
2018-03-14 19:46 ` Eric W. Biederman
2018-03-14 19:46 ` Eric W. Biederman
2018-03-14 20:34 ` Chuck Lever
2018-03-14 20:34 ` Chuck Lever
2018-03-14 21:42 ` Eric W. Biederman
2018-03-14 21:42 ` Eric W. Biederman
2018-03-14 22:53 ` Michael Halcrow
2018-03-14 22:53 ` Michael Halcrow
2018-03-15 21:24 ` Mimi Zohar
2018-03-15 21:24 ` Mimi Zohar
2018-03-15 21:24 ` Mimi Zohar
2018-03-15 10:07 ` Stef Bon
2018-03-15 10:07 ` Stef Bon
2018-03-15 13:53 ` Chuck Lever
2018-03-15 13:53 ` Chuck Lever
2018-03-15 22:05 ` Mimi Zohar
2018-03-15 22:05 ` Mimi Zohar
2018-03-13 19:40 ` [PATCH v3 0/4] unverifiable file signatures Eric W. Biederman
2018-03-13 19:40 ` Eric W. Biederman
2018-03-13 20:40 ` Mimi Zohar [this message]
2018-03-13 20:40 ` Mimi Zohar
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