diff -urN gdm-2.4.2.99.orig/daemon/server.c gdm-2.4.2.99/daemon/server.c
--- gdm-2.4.2.99.orig/daemon/server.c	Fri Aug  1 01:39:23 2003
+++ gdm-2.4.2.99/daemon/server.c	Fri Aug  1 01:40:23 2003
@@ -1013,7 +1013,7 @@
         /* Log all output from spawned programs to a file */
 	logfile = g_strconcat (GdmLogDir, "/", d->name, ".log", NULL);
 	IGNORE_EINTR (unlink (logfile));
-	logfd = open (logfile, O_CREAT|O_TRUNC|O_WRONLY|O_EXCL, 0644);
+	logfd = open (logfile, O_CREAT|O_TRUNC|O_WRONLY|O_EXCL, 0640);
 
 	if (logfd != -1) {
 		IGNORE_EINTR (dup2 (logfd, 1));