diff --git a/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java b/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java
index 0d4074ea1a..504b3da6cd 100644
--- a/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java
+++ b/service-t/src/com/android/server/ethernet/EthernetServiceImpl.java
@@ -87,6 +87,8 @@ public class EthernetServiceImpl extends IEthernetManager.Stub {
 
     @Override
     public String[] getAvailableInterfaces() throws RemoteException {
+        enforceAccessPermission();
+
         return mTracker.getInterfaces(checkUseRestrictedNetworksPermission());
     }