diff --git a/net/bridge/br_cfm.c b/net/bridge/br_cfm.c
index 118c7ea48c35..dea56fffa1c1 100644
--- a/net/bridge/br_cfm.c
+++ b/net/bridge/br_cfm.c
@@ -805,6 +805,12 @@ int br_cfm_cc_ccm_tx(struct net_bridge *br, const u32 instance,
 		goto save;
 	}
 
+	if (!interval_to_us(mep->cc_config.exp_interval)) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "Invalid CCM interval");
+		return -EINVAL;
+	}
+
 	/* Start delayed work to transmit CCM frames. It is done with zero delay
 	 * to send first frame immediately
 	 */
diff --git a/net/bridge/br_cfm_netlink.c b/net/bridge/br_cfm_netlink.c
index 2faab44652e7..91b9922dc3f2 100644
--- a/net/bridge/br_cfm_netlink.c
+++ b/net/bridge/br_cfm_netlink.c
@@ -34,7 +34,9 @@ br_cfm_cc_config_policy[IFLA_BRIDGE_CFM_CC_CONFIG_MAX + 1] = {
 	[IFLA_BRIDGE_CFM_CC_CONFIG_UNSPEC]	 = { .type = NLA_REJECT },
 	[IFLA_BRIDGE_CFM_CC_CONFIG_INSTANCE]	 = { .type = NLA_U32 },
 	[IFLA_BRIDGE_CFM_CC_CONFIG_ENABLE]	 = { .type = NLA_U32 },
-	[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL] = { .type = NLA_U32 },
+	[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_INTERVAL] =
+		NLA_POLICY_RANGE(NLA_U32, BR_CFM_CCM_INTERVAL_3_3_MS,
+				 BR_CFM_CCM_INTERVAL_10_MIN),
 	[IFLA_BRIDGE_CFM_CC_CONFIG_EXP_MAID]	 = {
 	.type = NLA_BINARY, .len = CFM_MAID_LENGTH },
 };