1 files changed, 8 insertions, 1 deletions
diff --git a/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c b/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c
index 70e232ce6c..4c1354d26c 100644
--- a/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c
+++ b/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c
@@ -2276,6 +2276,13 @@ Ip6ConfigInitInstance (
   UINTN                 Index;
   UINT16                IfIndex;
   IP6_CONFIG_DATA_ITEM  *DataItem;
+  UINT32                Random;
+
+  Status = PseudoRandomU32 (&Random);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "%a failed to generate random number: %r\n", __func__, Status));
+    return Status;
+  }
 
   IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
 
@@ -2381,7 +2388,7 @@ Ip6ConfigInitInstance (
     // The NV variable is not set, so generate a random IAID, and write down the
     // fresh new configuration as the NV variable now.
     //
-    Instance->IaId = NET_RANDOM (NetRandomInitSeed ());
+    Instance->IaId = Random;
 
     for (Index = 0; Index < IpSb->SnpMode.HwAddressSize; Index++) {
       Instance->IaId |= (IpSb->SnpMode.CurrentAddress.Addr[Index] << ((Index << 3) & 31));