diff --git a/system.te b/system.te
index a4065cf3a..bfbc35a3f 100644
--- a/system.te
+++ b/system.te
@@ -196,3 +196,6 @@ allow system domain:file r_file_perms;
 # to uart driver and ctrl proc entry
 allow system gps_device:chr_file rw_file_perms;
 allow system gps_control:file rw_file_perms;
+
+# system Read/Write udp_socket of untrusted_app
+allow system appdomain:udp_socket { read write };