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From: Kees Cook <keescook@chromium.org>
To: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>,
	Casey Schaufler <casey@schaufler-ca.com>,
	Paul Moore <paul@paul-moore.com>,
	linux-integrity <linux-integrity@vger.kernel.org>,
	linux-security-module <linux-security-module@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	David Howells <dhowells@redhat.com>,
	"Luis R . Rodriguez" <mcgrof@kernel.org>,
	Eric Biederman <ebiederm@xmission.com>,
	Kexec Mailing List <kexec@lists.infradead.org>,
	Andres Rodriguez <andresx7@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Jessica Yu <jeyu@kernel.org>, James Morris <jmorris@namei.org>
Subject: Re: [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures
Date: Tue, 5 Jun 2018 06:43:31 -0700	[thread overview]
Message-ID: <CAGXu5j+vsYHBpH75i=GxVfi0HgvsAW6zgz6V-eO8ZD13ykq2mw@mail.gmail.com> (raw)
In-Reply-To: <20180605132542.GA26722@mail.hallyn.com>

On Tue, Jun 5, 2018 at 6:25 AM, Serge E. Hallyn <serge@hallyn.com> wrote:
> Quoting Kees Cook (keescook@chromium.org):
>> On Mon, Jun 4, 2018 at 9:09 PM, Serge E. Hallyn <serge@hallyn.com> wrote:
>> > Personally I agree with Eric and prefer a new hook.  I don't feel strongly
>> > enough about it to keep bikeshedding, but since this set already exists,
>> > it seems like the way to go.
>>
>> And the new hook is "load stuff without a file descriptor"?
>
> Yes.  Load stuff based on my own credentials not those attached
> to a file.

Okay, I can live with that. :)

-- 
Kees Cook
Pixel Security

WARNING: multiple messages have this Message-ID (diff)
From: keescook@chromium.org (Kees Cook)
To: linux-security-module@vger.kernel.org
Subject: [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures
Date: Tue, 5 Jun 2018 06:43:31 -0700	[thread overview]
Message-ID: <CAGXu5j+vsYHBpH75i=GxVfi0HgvsAW6zgz6V-eO8ZD13ykq2mw@mail.gmail.com> (raw)
In-Reply-To: <20180605132542.GA26722@mail.hallyn.com>

On Tue, Jun 5, 2018 at 6:25 AM, Serge E. Hallyn <serge@hallyn.com> wrote:
> Quoting Kees Cook (keescook at chromium.org):
>> On Mon, Jun 4, 2018 at 9:09 PM, Serge E. Hallyn <serge@hallyn.com> wrote:
>> > Personally I agree with Eric and prefer a new hook.  I don't feel strongly
>> > enough about it to keep bikeshedding, but since this set already exists,
>> > it seems like the way to go.
>>
>> And the new hook is "load stuff without a file descriptor"?
>
> Yes.  Load stuff based on my own credentials not those attached
> to a file.

Okay, I can live with that. :)

-- 
Kees Cook
Pixel Security
--
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WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Andres Rodriguez <andresx7@gmail.com>,
	Paul Moore <paul@paul-moore.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Kexec Mailing List <kexec@lists.infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	James Morris <jmorris@namei.org>,
	David Howells <dhowells@redhat.com>,
	linux-security-module <linux-security-module@vger.kernel.org>,
	"Luis R . Rodriguez" <mcgrof@kernel.org>,
	Jessica Yu <jeyu@kernel.org>,
	Casey Schaufler <casey@schaufler-ca.com>,
	linux-integrity <linux-integrity@vger.kernel.org>,
	Mimi Zohar <zohar@linux.vnet.ibm.com>,
	Eric Biederman <ebiederm@xmission.com>
Subject: Re: [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures
Date: Tue, 5 Jun 2018 06:43:31 -0700	[thread overview]
Message-ID: <CAGXu5j+vsYHBpH75i=GxVfi0HgvsAW6zgz6V-eO8ZD13ykq2mw@mail.gmail.com> (raw)
In-Reply-To: <20180605132542.GA26722@mail.hallyn.com>

On Tue, Jun 5, 2018 at 6:25 AM, Serge E. Hallyn <serge@hallyn.com> wrote:
> Quoting Kees Cook (keescook@chromium.org):
>> On Mon, Jun 4, 2018 at 9:09 PM, Serge E. Hallyn <serge@hallyn.com> wrote:
>> > Personally I agree with Eric and prefer a new hook.  I don't feel strongly
>> > enough about it to keep bikeshedding, but since this set already exists,
>> > it seems like the way to go.
>>
>> And the new hook is "load stuff without a file descriptor"?
>
> Yes.  Load stuff based on my own credentials not those attached
> to a file.

Okay, I can live with that. :)

-- 
Kees Cook
Pixel Security

_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec

  reply	other threads:[~2018-06-05 13:43 UTC|newest]

Thread overview: 139+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29 18:01 [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures Mimi Zohar
2018-05-29 18:01 ` Mimi Zohar
2018-05-29 18:01 ` Mimi Zohar
2018-05-29 18:01 ` [PATCH v4 1/8] security: define new LSM hook named security_kernel_load_data Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-06-04 19:59   ` Serge E. Hallyn
2018-06-04 19:59     ` Serge E. Hallyn
2018-06-04 19:59     ` Serge E. Hallyn
2018-05-29 18:01 ` [PATCH v4 2/8] kexec: add call to LSM hook in original kexec_load syscall Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-06-04 20:00   ` Serge E. Hallyn
2018-06-04 20:00     ` Serge E. Hallyn
2018-06-04 20:00     ` Serge E. Hallyn
2018-05-29 18:01 ` [PATCH v4 3/8] ima: based on policy require signed kexec kernel images Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01 ` [PATCH v4 4/8] firmware: add call to LSM hook before firmware sysfs fallback Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-06-01 18:19   ` Luis R. Rodriguez
2018-06-01 18:19     ` Luis R. Rodriguez
2018-06-01 18:19     ` Luis R. Rodriguez
2018-05-29 18:01 ` [PATCH v4 5/8] ima: based on policy require signed firmware (sysfs fallback) Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-06-01 18:21   ` Luis R. Rodriguez
2018-06-01 18:21     ` Luis R. Rodriguez
2018-06-01 18:21     ` Luis R. Rodriguez
2018-06-01 22:39     ` Mimi Zohar
2018-06-01 22:39       ` Mimi Zohar
2018-06-01 22:39       ` Mimi Zohar
2018-06-01 22:39       ` Mimi Zohar
2018-06-01 22:46       ` Luis R. Rodriguez
2018-06-01 22:46         ` Luis R. Rodriguez
2018-06-01 22:46         ` Luis R. Rodriguez
2018-06-01 22:46         ` Luis R. Rodriguez
2018-06-01 23:04         ` Mimi Zohar
2018-06-01 23:04           ` Mimi Zohar
2018-06-01 23:04           ` Mimi Zohar
2018-06-01 23:04           ` Mimi Zohar
2018-05-29 18:01 ` [PATCH v4 6/8] ima: add build time policy Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01 ` [RFC PATCH v4 7/8] ima: based on policy prevent loading firmware (pre-allocated buffer) Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-05-29 18:01   ` Mimi Zohar
2018-06-01 19:15   ` Luis R. Rodriguez
2018-06-01 19:15     ` Luis R. Rodriguez
2018-06-01 19:15     ` Luis R. Rodriguez
2018-06-01 19:25     ` Luis R. Rodriguez
2018-06-01 19:25       ` Luis R. Rodriguez
2018-06-01 19:25       ` Luis R. Rodriguez
2018-06-05 22:37       ` Kees Cook
2018-06-05 22:37         ` Kees Cook
2018-06-05 22:37         ` Kees Cook
2018-06-06  6:20         ` Ard Biesheuvel
2018-06-06  6:20           ` Ard Biesheuvel
2018-06-06  6:20           ` Ard Biesheuvel
2018-06-06 22:06           ` Luis R. Rodriguez
2018-06-06 22:06             ` Luis R. Rodriguez
2018-06-06 22:06             ` Luis R. Rodriguez
2018-05-29 18:02 ` [PATCH v4 8/8] module: replace the existing LSM hook in init_module Mimi Zohar
2018-05-29 18:02   ` Mimi Zohar
2018-05-29 18:02   ` Mimi Zohar
2018-05-29 22:39   ` Paul Moore
2018-05-29 22:39     ` Paul Moore
2018-05-29 22:39     ` Paul Moore
2018-05-29 23:14     ` Mimi Zohar
2018-05-29 23:14       ` Mimi Zohar
2018-05-29 23:14       ` Mimi Zohar
2018-05-29 23:14       ` Mimi Zohar
2018-05-30 21:00       ` Paul Moore
2018-05-30 21:00         ` Paul Moore
2018-05-30 21:00         ` Paul Moore
2018-05-31 15:23         ` [PATCH v4a " Mimi Zohar
2018-05-31 15:23           ` Mimi Zohar
2018-05-31 15:23           ` Mimi Zohar
2018-06-01 22:28           ` Paul Moore
2018-06-01 22:28             ` Paul Moore
2018-06-01 22:28             ` Paul Moore
2018-06-04  9:19           ` Jessica Yu
2018-06-04  9:19             ` Jessica Yu
2018-06-04  9:19             ` Jessica Yu
2018-06-05 19:45           ` Kees Cook
2018-06-05 19:45             ` Kees Cook
2018-06-05 19:45             ` Kees Cook
2018-06-05 21:35             ` Mimi Zohar
2018-06-05 21:35               ` Mimi Zohar
2018-06-05 21:35               ` Mimi Zohar
2018-06-05 21:35               ` Mimi Zohar
2018-06-05 22:26               ` Kees Cook
2018-06-05 22:26                 ` Kees Cook
2018-06-05 22:26                 ` Kees Cook
2018-06-05 22:40                 ` Mimi Zohar
2018-06-05 22:40                   ` Mimi Zohar
2018-06-05 22:40                   ` Mimi Zohar
2018-06-05 22:40                   ` Mimi Zohar
2018-05-29 23:25     ` [PATCH v4 " Mimi Zohar
2018-05-29 23:25       ` Mimi Zohar
2018-05-29 23:25       ` Mimi Zohar
2018-05-29 23:25       ` Mimi Zohar
2018-05-30  2:25     ` Eric W. Biederman
2018-05-30  2:25       ` Eric W. Biederman
2018-05-30  2:25       ` Eric W. Biederman
2018-05-30 21:09       ` Paul Moore
2018-05-30 21:09         ` Paul Moore
2018-05-30 21:09         ` Paul Moore
2018-06-04 14:03 ` [PATCH v4 0/8] kexec/firmware: support system wide policy requiring signatures Mimi Zohar
2018-06-04 14:03   ` Mimi Zohar
2018-06-04 14:03   ` Mimi Zohar
2018-06-04 14:03   ` Mimi Zohar
2018-06-04 19:32   ` Serge E. Hallyn
2018-06-04 19:32     ` Serge E. Hallyn
2018-06-04 19:32     ` Serge E. Hallyn
2018-06-04 19:32     ` Serge E. Hallyn
2018-06-04 19:53     ` Mimi Zohar
2018-06-04 19:53       ` Mimi Zohar
2018-06-04 19:53       ` Mimi Zohar
2018-06-04 19:53       ` Mimi Zohar
2018-06-04 22:03   ` Kees Cook
2018-06-04 22:03     ` Kees Cook
2018-06-04 22:03     ` Kees Cook
2018-06-05  4:09     ` Serge E. Hallyn
2018-06-05  4:09       ` Serge E. Hallyn
2018-06-05  4:09       ` Serge E. Hallyn
2018-06-05 12:19       ` Kees Cook
2018-06-05 12:19         ` Kees Cook
2018-06-05 12:19         ` Kees Cook
2018-06-05 13:25         ` Serge E. Hallyn
2018-06-05 13:25           ` Serge E. Hallyn
2018-06-05 13:25           ` Serge E. Hallyn
2018-06-05 13:43           ` Kees Cook [this message]
2018-06-05 13:43             ` Kees Cook
2018-06-05 13:43             ` Kees Cook
2018-06-05 14:05             ` Mimi Zohar
2018-06-05 14:05               ` Mimi Zohar
2018-06-05 14:05               ` Mimi Zohar

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