From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:55657 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754680AbcEPSe1 (ORCPT ); Mon, 16 May 2016 14:34:27 -0400 Subject: Patch "net: fix a kernel infoleak in x25 module" has been added to the 4.5-stable tree To: kangjielu@gmail.com, davem@davemloft.net, gregkh@linuxfoundation.org, kjlu@gatech.edu Cc: , From: Date: Mon, 16 May 2016 11:26:27 -0700 Message-ID: <1463423187199222@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled net: fix a kernel infoleak in x25 module to the 4.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-fix-a-kernel-infoleak-in-x25-module.patch and it can be found in the queue-4.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Mon May 16 11:20:33 PDT 2016 From: Kangjie Lu Date: Sun, 8 May 2016 12:10:14 -0400 Subject: net: fix a kernel infoleak in x25 module From: Kangjie Lu [ Upstream commit 79e48650320e6fba48369fccf13fd045315b19b8 ] Stack object "dte_facilities" is allocated in x25_rx_call_request(), which is supposed to be initialized in x25_negotiate_facilities. However, 5 fields (8 bytes in total) are not initialized. This object is then copied to userland via copy_to_user, thus infoleak occurs. Signed-off-by: Kangjie Lu Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/x25/x25_facilities.c | 1 + 1 file changed, 1 insertion(+) --- a/net/x25/x25_facilities.c +++ b/net/x25/x25_facilities.c @@ -277,6 +277,7 @@ int x25_negotiate_facilities(struct sk_b memset(&theirs, 0, sizeof(theirs)); memcpy(new, ours, sizeof(*new)); + memset(dte, 0, sizeof(*dte)); len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask); if (len < 0) Patches currently in stable-queue which might be from kangjielu@gmail.com are queue-4.5/net-fix-infoleak-in-llc.patch queue-4.5/net-fix-a-kernel-infoleak-in-x25-module.patch queue-4.5/net-fix-infoleak-in-rtnetlink.patch