diff --git a/kernel/sys.c b/kernel/sys.c
index ff8e50993fc2..5c5924b44472 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2014,11 +2014,14 @@ static int prctl_set_mm_map(int opt, const void __user *addr, unsigned long data
 
 	if (prctl_map.exe_fd != (u32)-1) {
 		/*
-		 * Make sure the caller has the rights to
-		 * change /proc/pid/exe link: only local sys admin should
-		 * be allowed to.
+		 * Check if the current user is checkpoint/restore capable.
+		 * At the time of this writing, it checks for CAP_SYS_ADMIN
+		 * or CAP_CHECKPOINT_RESTORE.
+		 * Note that a user with access to ptrace can masquerade an
+		 * arbitrary program as any executable, even setuid ones.
+		 * This may have implications in the tomoyo subsystem.
 		 */
-		if (!ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+		if (!checkpoint_restore_ns_capable(current_user_ns()))
 			return -EINVAL;
 
 		error = prctl_set_mm_exe_file(mm, prctl_map.exe_fd);