diff -ur vboxdrv.orig/linux/SUPDrv-linux.c vboxdrv/linux/SUPDrv-linux.c
--- vboxdrv.orig/linux/SUPDrv-linux.c	2009-01-18 23:06:25.000000000 -0800
+++ vboxdrv/linux/SUPDrv-linux.c	2009-01-18 23:07:08.000000000 -0800
@@ -647,7 +647,7 @@
     /*
      * Only root is allowed to access the device, enforce it!
      */
-    if (current->euid != 0 /* root */ )
+    if (current->cred->euid != 0 /* root */ )
     {
         Log(("VBoxDrvLinuxCreate: euid=%d, expected 0 (root)\n", current->euid));
         return -EPERM;
@@ -660,8 +660,8 @@
     rc = supdrvCreateSession(&g_DevExt, true /* fUser */, (PSUPDRVSESSION *)&pSession);
     if (!rc)
     {
-        pSession->Uid = current->uid;
-        pSession->Gid = current->gid;
+        pSession->Uid = current->cred->uid;
+        pSession->Gid = current->cred->gid;
     }
 
     pFilp->private_data = pSession;