EL3 Stack Buffer Overflow in FCS HKDF Request

{
                    "vendor": "Altera",
                    "product": "Trusted Firmware",
                    "platforms": [
                        "ARM"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "socfpga_v2.14.0",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }