diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index a1ed2d9..6c62d5c 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -490,6 +490,9 @@
 
 		err = -EINVAL;
 
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+
 		/* Set dev type */
 		if (ifr->ifr_flags & IFF_TUN) {
 			/* TUN device */