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From: Kees Cook <keescook@chromium.org>
To: kernel-hardening@lists.openwall.com
Cc: Kees Cook <keescook@chromium.org>, John Wood <john.wood@gmx.com>,
	Matthew Wilcox <willy@infradead.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Iurii Zaikin <yzaikin@google.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	linux-security-module@vger.kernel.org
Subject: [RFC PATCH 1/6] security/fbfam: Add a Kconfig to enable the fbfam feature
Date: Thu, 10 Sep 2020 13:21:02 -0700	[thread overview]
Message-ID: <20200910202107.3799376-2-keescook@chromium.org> (raw)
In-Reply-To: <20200910202107.3799376-1-keescook@chromium.org>

From: John Wood <john.wood@gmx.com>

Add a menu entry under "Security options" to enable the "Fork brute
force attack mitigation" feature.

Signed-off-by: John Wood <john.wood@gmx.com>
---
 security/Kconfig       |  1 +
 security/fbfam/Kconfig | 10 ++++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 security/fbfam/Kconfig

diff --git a/security/Kconfig b/security/Kconfig
index 7561f6f99f1d..00a90e25b8d5 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -290,6 +290,7 @@ config LSM
 	  If unsure, leave this as the default.
 
 source "security/Kconfig.hardening"
+source "security/fbfam/Kconfig"
 
 endmenu
 
diff --git a/security/fbfam/Kconfig b/security/fbfam/Kconfig
new file mode 100644
index 000000000000..bbe7f6aad369
--- /dev/null
+++ b/security/fbfam/Kconfig
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0
+config FBFAM
+	bool "Fork brute force attack mitigation"
+	default n
+	help
+	  This is a user defense that detects any fork brute force attack
+	  based on the application's crashing rate. When this measure is
+	  triggered the fork system call is blocked.
+
+	  If you are unsure how to answer this question, answer N.
-- 
2.25.1


  reply	other threads:[~2020-09-10 20:50 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10 20:21 [RESEND][RFC PATCH 0/6] Fork brute force attack mitigation (fbfam) Kees Cook
2020-09-10 20:21 ` Kees Cook [this message]
2020-09-10 21:21   ` [RFC PATCH 1/6] security/fbfam: Add a Kconfig to enable the fbfam feature Jann Horn
2020-09-10 21:21     ` Jann Horn
2020-09-17 17:32     ` John Wood
2020-09-10 23:18   ` Kees Cook
2020-09-17 18:40     ` John Wood
2020-09-17 22:05       ` Kees Cook
2020-09-18 14:50         ` John Wood
2020-09-10 20:21 ` [RFC PATCH 2/6] security/fbfam: Add the api to manage statistics Kees Cook
2020-09-10 23:23   ` Kees Cook
2020-09-10 20:21 ` [RFC PATCH 3/6] security/fbfam: Use " Kees Cook
2020-09-10 20:27   ` Jann Horn
2020-09-10 20:27     ` Jann Horn
2020-09-10 23:33   ` Kees Cook
2020-09-29 23:47     ` Steven Rostedt
2020-09-29 23:49       ` Steven Rostedt
2020-10-03  9:52         ` John Wood
2020-09-10 20:21 ` [RFC PATCH 4/6] security/fbfam: Add a new sysctl to control the crashing rate threshold Kees Cook
2020-09-10 23:14   ` Kees Cook
2020-09-13 14:33     ` John Wood
2020-09-10 20:21 ` [RFC PATCH 5/6] security/fbfam: Detect a fork brute force attack Kees Cook
2020-09-10 21:10   ` Jann Horn
2020-09-10 21:10     ` Jann Horn
2020-09-13 17:54     ` John Wood
2020-09-14 19:42       ` Jann Horn
2020-09-14 19:42         ` Jann Horn
2020-09-15 18:44         ` John Wood
2020-09-10 23:49   ` Kees Cook
2020-09-11  0:01     ` Jann Horn
2020-09-11  0:01       ` Jann Horn
2020-09-13 16:56       ` John Wood
2020-09-14 19:39         ` Jann Horn
2020-09-14 19:39           ` Jann Horn
2020-09-15 17:36           ` John Wood
2020-09-10 20:21 ` [RFC PATCH 6/6] security/fbfam: Mitigate " Kees Cook
2020-09-10 20:55   ` Jann Horn
2020-09-10 20:55     ` Jann Horn
2020-09-10 23:56   ` Kees Cook
2020-09-11  0:20     ` Jann Horn
2020-09-11  0:20       ` Jann Horn
2020-09-18 16:02     ` John Wood
2020-09-18 21:35       ` Kees Cook
2020-09-19  8:01         ` John Wood
2020-09-10 20:39 ` [RESEND][RFC PATCH 0/6] Fork brute force attack mitigation (fbfam) Jann Horn
2020-09-10 20:39   ` Jann Horn
2020-09-10 23:58 ` Kees Cook
2020-09-11 14:48   ` John Wood
2020-09-12  7:55     ` Kees Cook
2020-09-12 12:24       ` John Wood
2020-09-12  0:03 ` James Morris
2020-09-12  7:56   ` Kees Cook
2020-09-12  9:36     ` John Wood
2020-09-12 14:47       ` Mel Gorman
2020-09-12 20:48         ` Ondrej Mosnacek
2020-09-12 20:48           ` Ondrej Mosnacek
2020-09-13  7:24           ` John Wood
2020-09-13  7:24             ` John Wood

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