nfc: nci: fix the UAF of rf_conn_info object
commit 1b1499a8 upstream. The nci_core_conn_close_rsp_packet() function will release the conn_info with given conn_id. However, it needs to set the rf_conn_info to NULL to prevent other routines like nci_rf_intf_activated_ntf_packet() to trigger the UAF. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: Lin Ma <linma@zju.edu.cn> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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