diff options
Diffstat (limited to 'sock_diag-Fix-out-of-bounds-access-to-sock_diag_handlers.patch')
| -rw-r--r-- | sock_diag-Fix-out-of-bounds-access-to-sock_diag_handlers.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/sock_diag-Fix-out-of-bounds-access-to-sock_diag_handlers.patch b/sock_diag-Fix-out-of-bounds-access-to-sock_diag_handlers.patch deleted file mode 100644 index 7508a7676..000000000 --- a/sock_diag-Fix-out-of-bounds-access-to-sock_diag_handlers.patch +++ /dev/null @@ -1,86 +0,0 @@ -Path: news.gmane.org!not-for-mail -From: Mathias Krause <minipli@googlemail.com> -Newsgroups: gmane.linux.network -Subject: [PATCH 1/2] sock_diag: Fix out-of-bounds access to sock_diag_handlers[] -Date: Sat, 23 Feb 2013 12:13:47 +0100 -Lines: 28 -Approved: news@gmane.org -Message-ID: <1361618028-9024-2-git-send-email-minipli@googlemail.com> -References: <1361618028-9024-1-git-send-email-minipli@googlemail.com> -NNTP-Posting-Host: plane.gmane.org -X-Trace: ger.gmane.org 1361618069 2156 80.91.229.3 (23 Feb 2013 11:14:29 GMT) -X-Complaints-To: usenet@ger.gmane.org -NNTP-Posting-Date: Sat, 23 Feb 2013 11:14:29 +0000 (UTC) -Cc: netdev@vger.kernel.org, Mathias Krause <minipli@googlemail.com> -To: "David S. Miller" <davem@davemloft.net> -Original-X-From: netdev-owner@vger.kernel.org Sat Feb 23 12:14:49 2013 -Return-path: <netdev-owner@vger.kernel.org> -Envelope-to: linux-netdev-2@plane.gmane.org -Original-Received: from vger.kernel.org ([209.132.180.67]) - by plane.gmane.org with esmtp (Exim 4.69) - (envelope-from <netdev-owner@vger.kernel.org>) - id 1U9D3z-0003H8-6Z - for linux-netdev-2@plane.gmane.org; Sat, 23 Feb 2013 12:14:43 +0100 -Original-Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand - id S1757811Ab3BWLOQ (ORCPT <rfc822;linux-netdev-2@m.gmane.org>); - Sat, 23 Feb 2013 06:14:16 -0500 -Original-Received: from mail-bk0-f53.google.com ([209.85.214.53]:46309 "EHLO - mail-bk0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org - with ESMTP id S1757044Ab3BWLOM (ORCPT - <rfc822;netdev@vger.kernel.org>); Sat, 23 Feb 2013 06:14:12 -0500 -Original-Received: by mail-bk0-f53.google.com with SMTP id j10so635828bkw.40 - for <netdev@vger.kernel.org>; Sat, 23 Feb 2013 03:14:11 -0800 (PST) -DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; - d=googlemail.com; s=20120113; - h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to - :references; - bh=NM4oEi0qkLdUhxSK1IKpg60DjwOeNtHa0EKsIVngex0=; - b=xdMKHhwMk8BGqDXVGVKf/KcWjSwJajtfpzPDCVugS7vLJh2HtrJnhKiBOUta3XNtTK - ibjB4FQuAenC9ZjXfuEPdo4ct1CIQC2xN2sW/VmeqhYip/xDJ/csVRnX/BxNYWDTFkHo - Uva0peiyrsvR1W0oTeqNLQ1fYIm4f1UwYHzhouschB9mlYHfrCDQFuI7TDfOTUNN1lmY - D5T4vV1aWKsxHx1OYFSRS3aUo3l0Tyzx0zeSPJH+aL3mrhoBDc84RtjsmRafY7RiEXi8 - ropiUO1Q9ATcLZd1/2+L/ausYzkP7NiU16SdbkQWuZkP1J8nBK7n5pahlYnDcktklyGM - od5Q== -X-Received: by 10.204.149.196 with SMTP id u4mr2435753bkv.23.1361618051168; - Sat, 23 Feb 2013 03:14:11 -0800 (PST) -Original-Received: from jig.fritz.box (pD9EB2658.dip.t-dialin.net. [217.235.38.88]) - by mx.google.com with ESMTPS id gy3sm1474145bkc.16.2013.02.23.03.14.09 - (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); - Sat, 23 Feb 2013 03:14:10 -0800 (PST) -X-Mailer: git-send-email 1.7.10.4 -In-Reply-To: <1361618028-9024-1-git-send-email-minipli@googlemail.com> -Original-Sender: netdev-owner@vger.kernel.org -Precedence: bulk -List-ID: <netdev.vger.kernel.org> -X-Mailing-List: netdev@vger.kernel.org -Xref: news.gmane.org gmane.linux.network:260061 -Archived-At: <http://permalink.gmane.org/gmane.linux.network/260061> - -Userland can send a netlink message requesting SOCK_DIAG_BY_FAMILY -with a family greater or equal then AF_MAX -- the array size of -sock_diag_handlers[]. The current code does not test for this -condition therefore is vulnerable to an out-of-bound access opening -doors for a privilege escalation. - -Signed-off-by: Mathias Krause <minipli@googlemail.com> ---- - net/core/sock_diag.c | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c -index 602cd63..750f44f 100644 ---- a/net/core/sock_diag.c -+++ b/net/core/sock_diag.c -@@ -121,6 +121,9 @@ static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) - if (nlmsg_len(nlh) < sizeof(*req)) - return -EINVAL; - -+ if (req->sdiag_family >= AF_MAX) -+ return -EINVAL; -+ - hndl = sock_diag_lock_handler(req->sdiag_family); - if (hndl == NULL) - err = -ENOENT; --- -1.7.10.4 - |