diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 5660adc..e7322e4 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2710,6 +2710,31 @@ static bool ipmr_fill_vif(struct mr_table *mrt, u32 vifid, struct sk_buff *skb)
 	return true;
 }
 
+static int ipmr_valid_dumplink(const struct nlmsghdr *nlh,
+			       struct netlink_ext_ack *extack)
+{
+	struct ifinfomsg *ifm;
+
+	if (nlh->nlmsg_len < nlmsg_msg_size(sizeof(*ifm))) {
+		NL_SET_ERR_MSG(extack, "ipv4: Invalid header for ipmr link dump");
+		return -EINVAL;
+	}
+
+	if (nlmsg_attrlen(nlh, sizeof(*ifm))) {
+		NL_SET_ERR_MSG(extack, "Invalid data after header in ipmr link dump");
+		return -EINVAL;
+	}
+
+	ifm = nlmsg_data(nlh);
+	if (ifm->__ifi_pad || ifm->ifi_type || ifm->ifi_flags ||
+	    ifm->ifi_change || ifm->ifi_index) {
+		NL_SET_ERR_MSG(extack, "Invalid values in header for ipmr link dump request");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int ipmr_rtm_dumplink(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct net *net = sock_net(skb->sk);
@@ -2718,6 +2743,13 @@ static int ipmr_rtm_dumplink(struct sk_buff *skb, struct netlink_callback *cb)
 	unsigned int e = 0, s_e;
 	struct mr_table *mrt;
 
+	if (cb->strict_check) {
+		int err = ipmr_valid_dumplink(cb->nlh, cb->extack);
+
+		if (err < 0)
+			return err;
+	}
+
 	s_t = cb->args[0];
 	s_e = cb->args[1];