{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2001-1559",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "openbsd-retval-null-dos(7690)",
                "refsource": "XF",
                "url": "http://www.iss.net/security_center/static/7690.php"
            },
            {
                "name": "20011202 OpenBSD local DoS",
                "refsource": "BUGTRAQ",
                "url": "http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.html"
            },
            {
                "name": "[OpenBSD] 20011202 Code that crashes kernel at will + proposed patch",
                "refsource": "MLIST",
                "url": "http://monkey.org/openbsd/archive/tech/0112/msg00015.html"
            }
        ]
    }
}