1 files changed, 5 insertions, 0 deletions
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index cb9c428ae9b..718ac62f8e5 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -1607,6 +1607,11 @@ int request_process_dhcp4_client(Request *req) {
         if (!IN_SET(link->state, LINK_STATE_CONFIGURING, LINK_STATE_CONFIGURED))
                 return 0;
 
+        if (!IN_SET(link->hw_addr.length, ETH_ALEN, INFINIBAND_ALEN) ||
+            hw_addr_is_null(&link->hw_addr))
+                /* No MAC address is assigned to the hardware, or non-supported MAC address length. */
+                return 0;
+
         r = dhcp4_configure_duid(link);
         if (r <= 0)
                 return r;