From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756531AbcECUhR (ORCPT ); Tue, 3 May 2016 16:37:17 -0400 Received: from mail-yw0-f182.google.com ([209.85.161.182]:36280 "EHLO mail-yw0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756396AbcECUhO (ORCPT ); Tue, 3 May 2016 16:37:14 -0400 From: Kangjie Lu X-Google-Original-From: Kangjie Lu To: johannes@sipsolutions.net Cc: davem@davemloft.net, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Kangjie Lu Subject: [PATCH] fix infoleak in wireless Date: Tue, 3 May 2016 16:40:13 -0400 Message-Id: <1462308013-6032-1-git-send-email-kjlu@gatech.edu> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The 6-bytes array “mac_addr” is not initialized in the dump_station implementations of “drivers/staging/wilc1000/wilc_wfi_cfgoperations.c” and “drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c”, so all 6 bytes may be leaked. Signed-off-by: Kangjie Lu --- net/wireless/nl80211.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 056a730..2e92d14 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -3905,6 +3905,7 @@ static int nl80211_dump_station(struct sk_buff *skb, while (1) { memset(&sinfo, 0, sizeof(sinfo)); + eth_zero_addr(mac_addr); err = rdev_dump_station(rdev, wdev->netdev, sta_idx, mac_addr, &sinfo); if (err == -ENOENT) -- 1.9.1