From: Kees Cook <keescook@chromium.org>
To: John Wood <john.wood@gmx.com>
Cc: Jann Horn <jannh@google.com>,
Randy Dunlap <rdunlap@infradead.org>,
Jonathan Corbet <corbet@lwn.net>,
James Morris <jmorris@namei.org>, Shuah Khan <shuah@kernel.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andi Kleen <ak@linux.intel.com>,
kernel test robot <oliver.sang@intel.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-kselftest@vger.kernel.org,
kernel-hardening@lists.openwall.com
Subject: Re: [PATCH v6 1/8] security: Add LSM hook at the point where a task gets a fatal signal
Date: Wed, 17 Mar 2021 18:22:31 -0700 [thread overview]
Message-ID: <202103171821.C851A2D189@keescook> (raw)
In-Reply-To: <20210307113031.11671-2-john.wood@gmx.com>
On Sun, Mar 07, 2021 at 12:30:24PM +0100, John Wood wrote:
> Add a security hook that allows a LSM to be notified when a task gets a
> fatal signal. This patch is a previous step on the way to compute the
> task crash period by the "brute" LSM (linux security module to detect
> and mitigate fork brute force attack against vulnerable userspace
> processes).
>
> Signed-off-by: John Wood <john.wood@gmx.com>
I continue to really like that this entire thing can be done from an LSM
with just this one extra hook. :)
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
next prev parent reply other threads:[~2021-03-18 1:22 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-07 11:30 [PATCH v6 0/8] Fork brute force attack mitigation John Wood
2021-03-07 11:30 ` [PATCH v6 1/8] security: Add LSM hook at the point where a task gets a fatal signal John Wood
2021-03-18 1:22 ` Kees Cook [this message]
2021-03-07 11:30 ` [PATCH v6 2/8] security/brute: Define a LSM and manage statistical data John Wood
2021-03-18 2:00 ` Kees Cook
2021-03-20 15:01 ` John Wood
2021-03-21 17:37 ` Kees Cook
2021-03-07 11:30 ` [PATCH v6 3/8] securtiy/brute: Detect a brute force attack John Wood
2021-03-18 2:57 ` Kees Cook
2021-03-20 15:34 ` John Wood
2021-03-21 18:28 ` Kees Cook
2021-03-21 15:01 ` John Wood
2021-03-21 18:45 ` Kees Cook
2021-03-22 18:32 ` John Wood
2021-03-07 11:30 ` [PATCH v6 4/8] security/brute: Fine tuning the attack detection John Wood
2021-03-18 4:00 ` Kees Cook
2021-03-20 15:46 ` John Wood
2021-03-21 18:01 ` Kees Cook
2021-03-07 11:30 ` [PATCH v6 5/8] security/brute: Mitigate a brute force attack John Wood
2021-03-18 4:04 ` Kees Cook
2021-03-20 15:48 ` John Wood
2021-03-21 18:06 ` Kees Cook
2021-03-07 11:30 ` [PATCH v6 6/8] selftests/brute: Add tests for the Brute LSM John Wood
2021-03-18 4:08 ` Kees Cook
2021-03-20 15:49 ` John Wood
2021-03-07 11:30 ` [PATCH v6 7/8] Documentation: Add documentation " John Wood
2021-03-18 4:10 ` Kees Cook
2021-03-20 15:50 ` John Wood
2021-03-21 18:50 ` Jonathan Corbet
2021-03-26 15:41 ` John Wood
2021-03-07 11:30 ` [PATCH v6 8/8] MAINTAINERS: Add a new entry " John Wood
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