From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Kees Cook <keescook@chromium.org>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
Kalle Valo <kvalo@codeaurora.org>,
Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
Joe Perches <joe@perches.com>, Guenter Roeck <linux@roeck-us.net>,
Jiri Slaby <jslaby@suse.com>, Paul Moore <pmoore@redhat.com>,
Stephen Smalley <sds@tycho.nsa.gov>,
Casey Schaufler <casey@schaufler-ca.com>,
Andreas Gruenbacher <agruenba@redhat.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Ulf Hansson <ulf.hansson@linaro.org>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/5] LSM: LoadPin for kernel file loading restrictions
Date: Wed, 30 Mar 2016 16:24:01 -0400 [thread overview]
Message-ID: <1459369441.2657.3.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <20160328143833.911097dc39990ebe7a40b23d@linux-foundation.org>
On Mon, 2016-03-28 at 14:38 -0700, Andrew Morton wrote:
> On Mon, 28 Mar 2016 14:14:22 -0700 Kees Cook <keescook@chromium.org> wrote:
>
> > This LSM enforces that kernel-loaded files (modules, firmware, etc)
> > must all come from the same filesystem, with the expectation that
> > such a filesystem is backed by a read-only device such as dm-verity
> > or CDROM. This allows systems that have a verified and/or unchangeable
> > filesystem to enforce module and firmware loading restrictions without
> > needing to sign the files individually.
>
> Patchset generally looks good to me. It's regrettable that a load of
> stuff was added to lib/ for one obscure LSM but hopefully (doubtfully)
> someone else will find a use for some of it.
I'm planning on adding support for measuring buffers, like the boot
command line, which will need to be string safe.
Mimi
next prev parent reply other threads:[~2016-03-30 20:24 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-28 21:14 [PATCH v2 0/5] LSM: LoadPin for kernel file loading restrictions Kees Cook
2016-03-28 21:14 ` [PATCH v2 1/5] string_helpers: add kstrdup_quotable Kees Cook
2016-03-28 23:30 ` Joe Perches
2016-04-06 23:50 ` Kees Cook
2016-03-28 21:14 ` [PATCH v2 2/5] string_helpers: add kstrdup_quotable_cmdline Kees Cook
2016-03-30 11:07 ` Andy Shevchenko
2016-03-30 11:11 ` Andy Shevchenko
2016-04-06 23:38 ` Kees Cook
2016-03-28 21:14 ` [PATCH v2 3/5] string_helpers: add kstrdup_quotable_file Kees Cook
2016-03-28 21:14 ` [PATCH v2 4/5] Yama: consolidate error reporting Kees Cook
2016-03-28 21:14 ` [PATCH v2 5/5] LSM: LoadPin for kernel file loading restrictions Kees Cook
2016-03-28 21:38 ` Andrew Morton
2016-03-28 21:58 ` Kees Cook
2016-03-30 20:24 ` Mimi Zohar [this message]
2016-03-28 23:20 ` Joe Perches
2016-03-31 21:24 ` Mimi Zohar
2016-04-04 19:31 ` Kees Cook
2016-04-04 23:03 ` Mimi Zohar
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