From: James Morris <jmorris@namei.org>
To: Andy Lutomirski <luto@kernel.org>
Cc: Andrew Morton <akpm@linuxfoundation.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
Serge Hallyn <serge.hallyn@ubuntu.com>,
James Morris <james.l.morris@oracle.com>,
Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
"Ted Ts'o" <tytso@mit.edu>,
"Andrew G. Morgan" <morgan@kernel.org>,
Linux API <linux-api@vger.kernel.org>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Austin S Hemmelgarn <ahferroin7@gmail.com>,
linux-security-module <linux-security-module@vger.kernel.org>,
Aaron Jones <aaronmdjones@gmail.com>,
Serge Hallyn <serge.hallyn@canonical.com>,
LKML <linux-kernel@vger.kernel.org>,
Markku Savela <msa@moth.iki.fi>,
Kees Cook <keescook@chromium.org>,
Jonathan Corbet <corbet@lwn.net>,
Christoph Lameter <cl@linux.com>,
Andy Lutomirski <luto@amacapital.net>
Subject: Re: [PATCH v4 1/2] capabilities: Ambient capabilities
Date: Wed, 15 Jul 2015 21:13:51 +1000 (AEST) [thread overview]
Message-ID: <alpine.LRH.2.11.1507152033420.8351@namei.org> (raw)
In-Reply-To: <9f660ee708e58892bfa7012b6b9c840298e24544.1436903028.git.luto@kernel.org>
On Tue, 14 Jul 2015, Andy Lutomirski wrote:
> ===== The proposed change =====
>
> This patch adds a fifth capability mask called the ambient mask
> (pA). pA does what most people expect pI to do.
>
This looks good, and I think it will lead to better overall security
because people will find capabilities easier to use for real-world
scenarios.
Has it had enough security review? This is a significant new behavior
being added to a widely enabled security module.
- James
--
James Morris
<jmorris@namei.org>
next prev parent reply other threads:[~2015-07-15 11:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-14 19:46 [PATCH v4 0/2] capabilities: Ambient capability patchset Andy Lutomirski
2015-07-14 19:46 ` [PATCH v4 1/2] capabilities: Ambient capabilities Andy Lutomirski
2015-07-15 11:13 ` James Morris [this message]
2015-07-15 17:09 ` Andy Lutomirski
2015-07-17 20:40 ` Christoph Lameter
2015-07-17 20:50 ` Andrew Morton
2015-07-17 23:10 ` Kees Cook
2015-07-17 23:21 ` Andy Lutomirski
2015-07-14 19:46 ` [PATCH v4 2/2] capabilities: Add a securebit to disable PR_CAP_AMBIENT_RAISE Andy Lutomirski
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