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
@@ -1061,7 +1061,7 @@
         /* Log all output from spawned programs to a file */
 	logfile = gdm_make_filename (GdmLogDir, d->name, ".log");
 	VE_IGNORE_EINTR (unlink (logfile));
-	VE_IGNORE_EINTR (logfd = open (logfile, O_CREAT|O_TRUNC|O_WRONLY|O_EXCL, 0644));
+	VE_IGNORE_EINTR (logfd = open (logfile, O_CREAT|O_TRUNC|O_WRONLY|O_EXCL, 0640));
 
 	if (logfd != -1) {
 		VE_IGNORE_EINTR (dup2 (logfd, 1));