1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
index 70a6985334d5..da5826d788d6 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
@@ -4472,6 +4472,11 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
                 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
                                         GFP_KERNEL);
         } else if (ieee80211_is_action(mgmt->frame_control)) {
+                if (len > BRCMF_FIL_ACTION_FRAME_SIZE + DOT11_MGMT_HDR_LEN) {
+                        brcmf_err("invalid action frame length\n");
+                        err = -EINVAL;
+                        goto exit;
+                }
                 af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
                 if (af_params == NULL) {
                         brcmf_err("unable to allocate frame\n");