From 9557c69ccd992ebaf4dc7135a9d79c7530263944 Mon Sep 17 00:00:00 2001
From: Jerry Lee <jerrylee@broadcom.com>
Date: Wed, 23 Mar 2016 14:33:50 -0700
Subject: [PATCH] net: wireless: bcmdhd: check privilege on priv cmd
check net admin capability for ioctl calls
BUG=26425765
Signed-off-by: Jerry Lee <jerrylee@broadcom.com>
---
drivers/net/wireless/bcmdhd/wl_android.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/wireless/bcmdhd/wl_android.c b/drivers/net/wireless/bcmdhd/wl_android.c
index f2bed33f1a30..260277b4908d 100644
--- a/drivers/net/wireless/bcmdhd/wl_android.c
+++ b/drivers/net/wireless/bcmdhd/wl_android.c
@@ -1287,6 +1287,11 @@ int wl_android_priv_cmd(struct net_device *net, struct ifreq *ifr, int cmd)
goto exit;
}
+ if (!capable(CAP_NET_ADMIN)) {
+ ret = -EPERM;
+ goto exit;
+ }
+
#ifdef CONFIG_COMPAT
if (is_compat_task()) {
compat_android_wifi_priv_cmd compat_priv_cmd;
--
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