diff --git a/sys/compat/linux/linux_dummy.c b/sys/compat/linux/linux_dummy.c
--- a/sys/compat/linux/linux_dummy.c
+++ b/sys/compat/linux/linux_dummy.c
@@ -135,7 +135,6 @@
 DUMMY(fsmount);
 DUMMY(fspick);
 DUMMY(pidfd_open);
-DUMMY(close_range);
 DUMMY(openat2);
 DUMMY(pidfd_getfd);
 DUMMY(process_madvise);
diff --git a/sys/compat/linux/linux_file.h b/sys/compat/linux/linux_file.h
--- a/sys/compat/linux/linux_file.h
+++ b/sys/compat/linux/linux_file.h
@@ -197,4 +197,7 @@
 	unsigned char f_handle[0];
 };
 
+#define	LINUX_CLOSE_RANGE_UNSHARE	(1U << 1)
+#define	LINUX_CLOSE_RANGE_CLOEXEC	(1U << 2)
+
 #endif	/* !_LINUX_FILE_H_ */
diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c
--- a/sys/compat/linux/linux_file.c
+++ b/sys/compat/linux/linux_file.c
@@ -1806,3 +1806,34 @@
 	 */
 	return (EINVAL);
 }
+
+int
+linux_close_range(struct thread *td, struct linux_close_range_args *args)
+{
+	u_int flags = 0;
+
+	/*
+	 * Due to the fact that the Linux does not make distinction between
+	 * processes and threads, sharing process resources, including filedesc
+	 * table, is at thread level in the Linux, while in the FreeBSD is at
+	 * process level. Implementing close_range(CLOSE_RANGE_UNSHARE) allows
+	 * Linux to unshare filedesc table of the calling thread from others
+	 * threads in a thread group (i.e., process in the FreeBSD) or others
+	 * processes, which shares the same table, before closing files.
+	 * The primary goal is to avoid reaces between threads and gracefully
+	 * close files before execve call.Thats strange, as to raceless
+	 * garantie anyway there should be some synchronization point at the
+	 * user space level to avoid files manipulation after close and before
+	 * execve. And in that case the CLOSE_RANGE_UNSSHARE is not needed.
+	 * Simply speaking, leave implementing of this flag till better times.
+	 * XXX. Perhaps, the flag should be silencly ignored.
+	 */
+
+	if ((args->flags & ~(LINUX_CLOSE_RANGE_CLOEXEC)) != 0)
+		return (EINVAL);
+	if (args->first > args->last)
+		return (EINVAL);
+	if ((args->flags & LINUX_CLOSE_RANGE_CLOEXEC) != 0)
+		flags |= CLOSE_RANGE_CLOEXEC;
+	return (kern_close_range(td, flags, args->first, args->last));
+}