Index: rpm-4.4.2.2/rpmdb/db3.c
===================================================================
--- rpm-4.4.2.2.orig/rpmdb/db3.c
+++ rpm-4.4.2.2/rpmdb/db3.c
@@ -429,6 +429,7 @@ static int db_init(dbiIndex dbi, const c
     }
   }
 
+  eflags |= DB_LOCKDOWN;
 #if (DB_VERSION_MAJOR == 3 && DB_VERSION_MINOR != 0) || (DB_VERSION_MAJOR == 4)
     rc = (dbenv->open)(dbenv, dbhome, eflags, dbi->dbi_perms);
 #else