--- drivers/cdrom/cdrom.c~	Tue Oct 23 09:28:35 2001
+++ drivers/cdrom/cdrom.c	Tue Oct 23 09:29:23 2001
@@ -2009,7 +2009,7 @@
 			return -EINVAL;
 
 		/* FIXME: we need upper bound checking, too!! */
-		if (lba < 0 || ra.nframes <= 0)
+		if (lba < 0 || ra.nframes <= 0 || ra.nframes > 64)
 			return -EINVAL;
 
 		/*