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Merge branch 'bugfix/check_bd_addr_only_for_bredr_v5.2' into 'release/v5.2'

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fix(bt): check bd address only for bredr in bluedroid host l2cu_allocate_lcb() (v5.2)

See merge request espressif/esp-idf!41358
This commit is contained in:
Wang Meng Yang
2025-08-19 11:40:58 +08:00
parent 7e095182e3 cb817ec915
commit d9521058ab
1 changed files with 2 additions and 1 deletions
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3
components/bt/host/bluedroid/stack/l2cap/l2c_utils.c
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@@ -67,7 +67,8 @@ tL2C_LCB *l2cu_allocate_lcb (BD_ADDR p_bd_addr, BOOLEAN is_bonding, tBT_TRANSPOR
/* Check if peer device's and our BD_ADDR is same or not. It /* Check if peer device's and our BD_ADDR is same or not. It
should be different to avoid 'Impersonation in the Pin Pairing should be different to avoid 'Impersonation in the Pin Pairing
Protocol' (CVE-2020-26555) vulnerability. */ Protocol' (CVE-2020-26555) vulnerability. */
if (memcmp((uint8_t *)p_bd_addr, (uint8_t *)&controller_get_interface()->get_address()->address, sizeof (BD_ADDR)) == 0) { if ((transport == BT_TRANSPORT_BR_EDR) &&
(memcmp((uint8_t *)p_bd_addr, (uint8_t *)&controller_get_interface()->get_address()->address, sizeof (BD_ADDR)) == 0)) {
L2CAP_TRACE_ERROR ("%s connection rejected due to same BD ADDR", __func__); L2CAP_TRACE_ERROR ("%s connection rejected due to same BD ADDR", __func__);
return (NULL); return (NULL);
} }