diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index db546dd93d08..7db9cd433801 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1276,6 +1276,18 @@ static int nl80211_prepare_wdev_dump(struct netlink_callback *cb,
 			rtnl_unlock();
 			return -ENODEV;
 		}
+
+		/*
+		 * The first invocation validated the wdev's netns against
+		 * the caller via __cfg80211_wdev_from_attrs(). The wiphy
+		 * may have moved netns between dumpit invocations (via
+		 * NL80211_CMD_SET_WIPHY_NETNS), so re-check here.
+		 */
+		if (!net_eq(wiphy_net(wiphy), sock_net(cb->skb->sk))) {
+			rtnl_unlock();
+			return -ENODEV;
+		}
+
 		*rdev = wiphy_to_rdev(wiphy);
 		*wdev = NULL;