diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index f594dac436a7..bccb04af38ae 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2948,9 +2948,28 @@ static struct nfs_access_entry *nfs_access_search_rbtree(struct inode *inode, co
 	return NULL;
 }
 
+static u64 nfs_access_login_time(const struct task_struct *task,
+				 const struct cred *cred)
+{
+	const struct task_struct *parent;
+	u64 ret;
+
+	rcu_read_lock();
+	for (;;) {
+		parent = rcu_dereference(task->real_parent);
+		if (parent == task || cred_fscmp(parent->cred, cred) != 0)
+			break;
+		task = parent;
+	}
+	ret = task->start_time;
+	rcu_read_unlock();
+	return ret;
+}
+
 static int nfs_access_get_cached_locked(struct inode *inode, const struct cred *cred, u32 *mask, bool may_block)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
+	u64 login_time = nfs_access_login_time(current, cred);
 	struct nfs_access_entry *cache;
 	bool retry = true;
 	int err;
@@ -2978,6 +2997,9 @@ static int nfs_access_get_cached_locked(struct inode *inode, const struct cred *
 		spin_lock(&inode->i_lock);
 		retry = false;
 	}
+	err = -ENOENT;
+	if ((s64)(login_time - cache->timestamp) > 0)
+		goto out;
 	*mask = cache->mask;
 	list_move_tail(&cache->lru, &nfsi->access_cache_entry_lru);
 	err = 0;
@@ -3057,6 +3079,7 @@ static void nfs_access_add_rbtree(struct inode *inode,
 		else
 			goto found;
 	}
+	set->timestamp = ktime_get_ns();
 	rb_link_node(&set->rb_node, parent, p);
 	rb_insert_color(&set->rb_node, root_node);
 	list_add_tail(&set->lru, &nfsi->access_cache_entry_lru);
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 7931fa472561..d92fdfd2444c 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -59,6 +59,7 @@ struct nfs_access_entry {
 	kuid_t			fsuid;
 	kgid_t			fsgid;
 	struct group_info	*group_info;
+	u64			timestamp;
 	__u32			mask;
 	struct rcu_head		rcu_head;
 };