From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751955Ab3LLQyk (ORCPT ); Thu, 12 Dec 2013 11:54:40 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:24743 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751617Ab3LLQyj (ORCPT ); Thu, 12 Dec 2013 11:54:39 -0500 From: vegard.nossum@oracle.com To: linux-kernel@vger.kernel.org Cc: Vegard Nossum Subject: [PATCH 2/9] exploit: report to audit subsystem when available Date: Thu, 12 Dec 2013 17:52:25 +0100 Message-Id: <1386867152-24072-2-git-send-email-vegard.nossum@oracle.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1386867152-24072-1-git-send-email-vegard.nossum@oracle.com> References: <1386867152-24072-1-git-send-email-vegard.nossum@oracle.com> X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vegard Nossum Signed-off-by: Vegard Nossum --- include/uapi/linux/audit.h | 1 + security/exploit.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h index 75cef3f..65811d4 100644 --- a/include/uapi/linux/audit.h +++ b/include/uapi/linux/audit.h @@ -131,6 +131,7 @@ #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ #define AUDIT_ANOM_LINK 1702 /* Suspicious use of file links */ +#define AUDIT_ANOM_EXPLOIT 1703 /* Known exploit attempt */ #define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ #define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ #define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ diff --git a/security/exploit.c b/security/exploit.c index a732613..3d8ee5b 100644 --- a/security/exploit.c +++ b/security/exploit.c @@ -1,3 +1,4 @@ +#include #include #include #include @@ -19,9 +20,24 @@ void _exploit(const char *id) pid_t pid = task_pid_nr(task); uid_t uid = from_kuid(&init_user_ns, current_uid()); char comm[sizeof(task->comm)]; +#ifdef CONFIG_AUDIT + struct audit_buffer *ab; +#endif get_task_comm(comm, task); +#ifdef CONFIG_AUDIT + ab = audit_log_start(NULL, GFP_ATOMIC, AUDIT_ANOM_EXPLOIT); + if (ab) { + audit_log_format(ab, "exploit id=%s pid=%u uid=%u auid=%u ses=%u comm=", + id, pid, uid, + from_kuid(&init_user_ns, audit_get_loginuid(task)), + audit_get_sessionid(task)); + audit_log_untrustedstring(ab, comm); + audit_log_end(ab); + } +#endif + pr_warn_ratelimited("warning: possible %s exploit attempt by pid=%u uid=%u comm=%s\n", id, pid, uid, comm); } -- 1.7.10.4