diff --git a/Makefile b/Makefile
index 6a949eb..99c5e87 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 22
-EXTRAVERSION = .17
+EXTRAVERSION = .18
 NAME = Holy Dancing Manatees, Batman!
 
 # *DOCUMENTATION*
diff --git a/fs/splice.c b/fs/splice.c
index e263d3b..dbbe267 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1182,6 +1182,9 @@ static int get_iovec_page_array(const struct iovec __user *iov,
 		if (unlikely(!base))
 			break;
 
+		if (!access_ok(VERIFY_READ, base, len))
+			break;
+
 		/*
 		 * Get this base offset and number of pages, then map
 		 * in the user pages.
--
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