diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 15fa00d79fc6..74a83020c073 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -5124,6 +5124,9 @@ static int brcmf_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev,
 	if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X))
 		return -EINVAL;
 
+	if (conf->pmk_len > BRCMF_WSEC_MAX_PSK_LEN)
+		return -ERANGE;
+
 	return brcmf_set_pmk(ifp, conf->pmk, conf->pmk_len);
 }