diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index f5d304736852..d6b9ed34ceae 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2820,7 +2820,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
 		return rc;
 
 	/* Allow all mounts performed by the kernel */
-	if (flags & MS_KERNMOUNT)
+	if (flags & (MS_KERNMOUNT | MS_SUBMOUNT))
 		return 0;
 
 	ad.type = LSM_AUDIT_DATA_DENTRY;