From: Andy Lutomirski <luto@kernel.org>
To: Djalal Harouni <tixxdz@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@kernel.org>,
Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
LSM List <linux-security-module@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
Dongsu Park <dpark@posteo.net>,
Casey Schaufler <casey@schaufler-ca.com>,
James Morris <james.l.morris@oracle.com>,
Paul Moore <paul@paul-moore.com>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>, Jessica Yu <jeyu@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
zendyani@gmail.com, Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v3 1/2] modules:capabilities: automatic module loading restriction
Date: Wed, 19 Apr 2017 16:16:22 -0700 [thread overview]
Message-ID: <CALCETrWzjCWGJ2-ghQBie1AXLgFqGe-B9DALUASm43gDO5RRcw@mail.gmail.com> (raw)
In-Reply-To: <1492640420-27345-2-git-send-email-tixxdz@gmail.com>
On Wed, Apr 19, 2017 at 3:20 PM, Djalal Harouni <tixxdz@gmail.com> wrote:
> Currently, an explicit call to load or unload kernel modules require
> CAP_SYS_MODULE capability. However unprivileged users have always been
> able to load some modules using the implicit auto-load operation. An
> automatic module loading happens when programs request a kernel feature
> from a module that is not loaded. In order to satisfy userspace, the
> kernel then automatically load all these required modules.
I like this feature.
--Andy
WARNING: multiple messages have this Message-ID (diff)
From: Andy Lutomirski <luto@kernel.org>
To: Djalal Harouni <tixxdz@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@kernel.org>,
Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
LSM List <linux-security-module@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
Dongsu Park <dpark@posteo.net>,
Casey Schaufler <casey@schaufler-ca.com>,
James Morris <james.l.morris@oracle.com>,
Paul Moore <paul@paul-moore.com>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>, Jessica Yu <jeyu@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Arnaldo Carvalho de Melo <acme@>
Subject: Re: [PATCH v3 1/2] modules:capabilities: automatic module loading restriction
Date: Wed, 19 Apr 2017 16:16:22 -0700 [thread overview]
Message-ID: <CALCETrWzjCWGJ2-ghQBie1AXLgFqGe-B9DALUASm43gDO5RRcw@mail.gmail.com> (raw)
In-Reply-To: <1492640420-27345-2-git-send-email-tixxdz@gmail.com>
On Wed, Apr 19, 2017 at 3:20 PM, Djalal Harouni <tixxdz@gmail.com> wrote:
> Currently, an explicit call to load or unload kernel modules require
> CAP_SYS_MODULE capability. However unprivileged users have always been
> able to load some modules using the implicit auto-load operation. An
> automatic module loading happens when programs request a kernel feature
> from a module that is not loaded. In order to satisfy userspace, the
> kernel then automatically load all these required modules.
I like this feature.
--Andy
WARNING: multiple messages have this Message-ID (diff)
From: luto@kernel.org (Andy Lutomirski)
To: linux-security-module@vger.kernel.org
Subject: [PATCH v3 1/2] modules:capabilities: automatic module loading restriction
Date: Wed, 19 Apr 2017 16:16:22 -0700 [thread overview]
Message-ID: <CALCETrWzjCWGJ2-ghQBie1AXLgFqGe-B9DALUASm43gDO5RRcw@mail.gmail.com> (raw)
In-Reply-To: <1492640420-27345-2-git-send-email-tixxdz@gmail.com>
On Wed, Apr 19, 2017 at 3:20 PM, Djalal Harouni <tixxdz@gmail.com> wrote:
> Currently, an explicit call to load or unload kernel modules require
> CAP_SYS_MODULE capability. However unprivileged users have always been
> able to load some modules using the implicit auto-load operation. An
> automatic module loading happens when programs request a kernel feature
> from a module that is not loaded. In order to satisfy userspace, the
> kernel then automatically load all these required modules.
I like this feature.
--Andy
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WARNING: multiple messages have this Message-ID (diff)
From: Andy Lutomirski <luto@kernel.org>
To: Djalal Harouni <tixxdz@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@kernel.org>,
Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
LSM List <linux-security-module@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
Dongsu Park <dpark@posteo.net>,
Casey Schaufler <casey@schaufler-ca.com>,
James Morris <james.l.morris@oracle.com>,
Paul Moore <paul@paul-moore.com>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jonathan Corbet <corbet@lwn.net>, Jessica Yu <jeyu@redhat.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
zendyani@gmail.com, Peter Zijlstra <peterz@infradead.org>
Subject: [kernel-hardening] Re: [PATCH v3 1/2] modules:capabilities: automatic module loading restriction
Date: Wed, 19 Apr 2017 16:16:22 -0700 [thread overview]
Message-ID: <CALCETrWzjCWGJ2-ghQBie1AXLgFqGe-B9DALUASm43gDO5RRcw@mail.gmail.com> (raw)
In-Reply-To: <1492640420-27345-2-git-send-email-tixxdz@gmail.com>
On Wed, Apr 19, 2017 at 3:20 PM, Djalal Harouni <tixxdz@gmail.com> wrote:
> Currently, an explicit call to load or unload kernel modules require
> CAP_SYS_MODULE capability. However unprivileged users have always been
> able to load some modules using the implicit auto-load operation. An
> automatic module loading happens when programs request a kernel feature
> from a module that is not loaded. In order to satisfy userspace, the
> kernel then automatically load all these required modules.
I like this feature.
--Andy
next prev parent reply other threads:[~2017-04-19 23:16 UTC|newest]
Thread overview: 147+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-19 22:20 [PATCH v3 0/2] modules:capabilities: automatic module loading restrictions Djalal Harouni
2017-04-19 22:20 ` [kernel-hardening] " Djalal Harouni
2017-04-19 22:20 ` Djalal Harouni
2017-04-19 22:20 ` Djalal Harouni
2017-04-19 22:20 ` [PATCH v3 1/2] modules:capabilities: automatic module loading restriction Djalal Harouni
2017-04-19 22:20 ` [kernel-hardening] " Djalal Harouni
2017-04-19 22:20 ` Djalal Harouni
2017-04-19 22:20 ` Djalal Harouni
2017-04-19 23:16 ` Andy Lutomirski [this message]
2017-04-19 23:16 ` [kernel-hardening] " Andy Lutomirski
2017-04-19 23:16 ` Andy Lutomirski
2017-04-19 23:16 ` Andy Lutomirski
2017-04-20 2:22 ` Ben Hutchings
2017-04-20 2:22 ` [kernel-hardening] " Ben Hutchings
2017-04-20 2:22 ` Ben Hutchings
2017-04-20 12:44 ` [kernel-hardening] " Djalal Harouni
2017-04-20 12:44 ` Djalal Harouni
2017-04-20 12:44 ` Djalal Harouni
2017-04-20 15:02 ` Ben Hutchings
2017-04-20 15:02 ` Ben Hutchings
2017-04-20 15:02 ` Ben Hutchings
2017-04-20 20:39 ` [kernel-hardening] " Djalal Harouni
2017-04-20 20:39 ` Djalal Harouni
2017-04-20 20:39 ` Djalal Harouni
2017-04-20 21:28 ` Kees Cook
2017-04-20 21:28 ` Kees Cook
2017-04-20 21:28 ` Kees Cook
2017-04-20 21:28 ` Kees Cook
2017-04-19 22:20 ` [PATCH v3 2/2] modules:capabilities: add a per-task modules autoload restriction Djalal Harouni
2017-04-19 22:20 ` [kernel-hardening] " Djalal Harouni
2017-04-19 22:20 ` Djalal Harouni
2017-04-19 22:20 ` Djalal Harouni
2017-04-19 22:38 ` Djalal Harouni
2017-04-19 22:38 ` [kernel-hardening] " Djalal Harouni
2017-04-19 22:38 ` Djalal Harouni
2017-04-19 22:38 ` Djalal Harouni
2017-04-19 23:15 ` Andy Lutomirski
2017-04-19 23:15 ` [kernel-hardening] " Andy Lutomirski
2017-04-19 23:15 ` Andy Lutomirski
2017-04-19 23:15 ` Andy Lutomirski
2017-04-19 23:43 ` Kees Cook
2017-04-19 23:43 ` [kernel-hardening] " Kees Cook
2017-04-19 23:43 ` Kees Cook
2017-04-19 23:43 ` Kees Cook
2017-04-20 2:41 ` Andy Lutomirski
2017-04-20 2:41 ` [kernel-hardening] " Andy Lutomirski
2017-04-20 2:41 ` Andy Lutomirski
2017-04-20 2:41 ` Andy Lutomirski
2017-04-21 23:19 ` Kees Cook
2017-04-21 23:19 ` [kernel-hardening] " Kees Cook
2017-04-21 23:19 ` Kees Cook
2017-04-21 23:19 ` Kees Cook
2017-04-21 23:28 ` Andy Lutomirski
2017-04-21 23:28 ` [kernel-hardening] " Andy Lutomirski
2017-04-21 23:28 ` Andy Lutomirski
2017-04-21 23:28 ` Andy Lutomirski
2017-04-21 23:40 ` Kees Cook
2017-04-21 23:40 ` [kernel-hardening] " Kees Cook
2017-04-21 23:40 ` Kees Cook
2017-04-21 23:40 ` Kees Cook
2017-04-21 23:51 ` Andy Lutomirski
2017-04-21 23:51 ` [kernel-hardening] " Andy Lutomirski
2017-04-21 23:51 ` Andy Lutomirski
2017-04-21 23:51 ` Andy Lutomirski
2017-04-22 0:12 ` Djalal Harouni
2017-04-22 0:12 ` [kernel-hardening] " Djalal Harouni
2017-04-22 0:12 ` Djalal Harouni
2017-04-22 0:12 ` Djalal Harouni
2017-04-22 1:19 ` Djalal Harouni
2017-04-22 1:19 ` [kernel-hardening] " Djalal Harouni
2017-04-22 1:19 ` Djalal Harouni
2017-04-22 1:19 ` Djalal Harouni
2017-04-22 6:51 ` Andy Lutomirski
2017-04-22 6:51 ` [kernel-hardening] " Andy Lutomirski
2017-04-22 6:51 ` Andy Lutomirski
2017-04-22 6:51 ` Andy Lutomirski
2017-04-22 19:29 ` Kees Cook
2017-04-22 19:29 ` [kernel-hardening] " Kees Cook
2017-04-22 19:29 ` Kees Cook
2017-04-22 19:29 ` Kees Cook
2017-04-24 14:25 ` Djalal Harouni
2017-04-24 14:25 ` [kernel-hardening] " Djalal Harouni
2017-04-24 14:25 ` Djalal Harouni
2017-04-24 14:25 ` Djalal Harouni
2017-04-24 18:02 ` Kees Cook
2017-04-24 18:02 ` [kernel-hardening] " Kees Cook
2017-04-24 18:02 ` Kees Cook
2017-04-24 18:02 ` Kees Cook
2017-04-24 18:35 ` Djalal Harouni
2017-04-24 18:35 ` [kernel-hardening] " Djalal Harouni
2017-04-24 18:35 ` Djalal Harouni
2017-04-24 18:35 ` Djalal Harouni
2017-04-21 23:52 ` Casey Schaufler
2017-04-21 23:52 ` [kernel-hardening] " Casey Schaufler
2017-04-21 23:52 ` Casey Schaufler
2017-04-21 23:52 ` Casey Schaufler
2017-04-22 0:00 ` Andy Lutomirski
2017-04-22 0:00 ` [kernel-hardening] " Andy Lutomirski
2017-04-22 0:00 ` Andy Lutomirski
2017-04-22 0:00 ` Andy Lutomirski
2017-04-22 0:13 ` Casey Schaufler
2017-04-22 0:13 ` [kernel-hardening] " Casey Schaufler
2017-04-22 0:13 ` Casey Schaufler
2017-04-22 0:13 ` Casey Schaufler
2017-04-22 6:45 ` Andy Lutomirski
2017-04-22 6:45 ` [kernel-hardening] " Andy Lutomirski
2017-04-22 6:45 ` Andy Lutomirski
2017-04-22 6:45 ` Andy Lutomirski
2017-04-22 12:17 ` Djalal Harouni
2017-04-22 12:17 ` [kernel-hardening] " Djalal Harouni
2017-04-22 12:17 ` Djalal Harouni
2017-04-22 12:17 ` Djalal Harouni
2017-05-04 13:07 ` Djalal Harouni
2017-05-04 13:07 ` [kernel-hardening] " Djalal Harouni
2017-05-04 13:07 ` Djalal Harouni
2017-05-04 13:07 ` Djalal Harouni
2017-05-04 14:58 ` Serge E. Hallyn
2017-05-04 14:58 ` [kernel-hardening] " Serge E. Hallyn
2017-05-04 14:58 ` Serge E. Hallyn
2017-05-04 14:58 ` Serge E. Hallyn
2017-05-05 13:06 ` Djalal Harouni
2017-05-05 13:06 ` [kernel-hardening] " Djalal Harouni
2017-05-05 13:06 ` Djalal Harouni
2017-05-05 13:06 ` Djalal Harouni
2017-05-05 16:18 ` Andy Lutomirski
2017-05-05 16:18 ` [kernel-hardening] " Andy Lutomirski
2017-05-05 16:18 ` Andy Lutomirski
2017-05-05 16:18 ` Andy Lutomirski
2017-04-20 1:57 ` kbuild test robot
2017-04-20 1:57 ` [kernel-hardening] " kbuild test robot
2017-04-20 1:57 ` kbuild test robot
2017-04-20 1:57 ` kbuild test robot
2017-04-24 4:29 ` Rusty Russell
2017-04-24 4:29 ` [kernel-hardening] " Rusty Russell
2017-04-24 4:29 ` Rusty Russell
2017-04-24 4:29 ` Rusty Russell
2017-04-26 9:06 ` Djalal Harouni
2017-04-26 9:06 ` [kernel-hardening] " Djalal Harouni
2017-04-26 9:06 ` Djalal Harouni
2017-04-27 2:07 ` Rusty Russell
2017-04-27 2:07 ` [kernel-hardening] " Rusty Russell
2017-04-27 2:07 ` Rusty Russell
2017-04-27 2:07 ` Rusty Russell
2017-04-27 13:16 ` Djalal Harouni
2017-04-27 13:16 ` [kernel-hardening] " Djalal Harouni
2017-04-27 13:16 ` Djalal Harouni
2017-04-27 13:16 ` Djalal Harouni
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