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-rw-r--r--net/wireless/scan.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index b55ffe73e1ef..8ac2d19d8ede 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2447,7 +2447,8 @@ cfg80211_parse_mbssid_data(struct wiphy *wiphy,
profile, profile_len);
if (!mbssid_index_ie || mbssid_index_ie[1] < 1 ||
mbssid_index_ie[2] == 0 ||
- mbssid_index_ie[2] > 46) {
+ mbssid_index_ie[2] > 46 ||
+ mbssid_index_ie[2] >= (1 << elem->data[0])) {
/* No valid Multiple BSSID-Index element */
continue;
}