diff --git a/pkg/netutil/netutil.go b/pkg/netutil/netutil.go
index 81badc8edf1..43439c592ec 100644
--- a/pkg/netutil/netutil.go
+++ b/pkg/netutil/netutil.go
@@ -215,7 +215,15 @@ func NewCNIEnv(cniPath, cniConfPath string, opts ...CNIEnvOpt) (*CNIEnv, error)
 }
 
 func (e *CNIEnv) NetworkList() ([]*NetworkConfig, error) {
-	return e.networkConfigList()
+	var netConfigList []*NetworkConfig
+	var err error
+	fn := func() error {
+		netConfigList, err = e.networkConfigList()
+		return err
+	}
+	err = lockutil.WithDirLock(e.NetconfPath, fn)
+
+	return netConfigList, err
 }
 
 func (e *CNIEnv) NetworkMap() (map[string]*NetworkConfig, error) { //nolint:revive