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Bluetooth: controller: Check length field of scan response data #35935

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Merged
merged 1 commit into from
Jun 4, 2021
Merged

Bluetooth: controller: Check length field of scan response data #35935

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4 changes: 4 additions & 0 deletions subsys/bluetooth/controller/ll_sw/ull_adv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1589,6 +1589,10 @@ uint8_t ull_scan_rsp_set(struct ll_adv_set *adv, uint8_t len,
struct pdu_adv *pdu;
uint8_t idx;

if (len > PDU_AC_DATA_SIZE_MAX) {
return BT_HCI_ERR_INVALID_PARAM;
}

/* update scan pdu fields. */
prev = lll_adv_scan_rsp_peek(&adv->lll);
pdu = lll_adv_scan_rsp_alloc(&adv->lll, &idx);
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