diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c
index 2f872d064396..8cc538358f6a 100644
--- a/net/ncsi/ncsi-netlink.c
+++ b/net/ncsi/ncsi-netlink.c
@@ -461,6 +461,10 @@ static int ncsi_send_cmd_nl(struct sk_buff *msg, struct genl_info *info)
 	nca.req_flags = NCSI_REQ_FLAG_NETLINK_DRIVEN;
 	nca.info = info;
 	nca.payload = ntohs(hdr->length);
+	if (nca.payload > len - sizeof(*hdr)) {
+		ret = -EINVAL;
+		goto out_netlink;
+	}
 	nca.data = data + sizeof(*hdr);
 
 	ret = ncsi_xmit_cmd(&nca);