{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-4158",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-476 - NULL Pointer Dereference",
                        "cweId": "CWE-476"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "QEMU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "Affects v6.0.0 and above."
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://gitlab.com/qemu-project/qemu/-/issues/770",
                "refsource": "MISC",
                "name": "https://gitlab.com/qemu-project/qemu/-/issues/770"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2035002",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2035002"
            },
            {
                "url": "https://access.redhat.com/security/cve/CVE-2021-4158",
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2021-4158"
            },
            {
                "url": "https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e",
                "refsource": "MISC",
                "name": "https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e"
            },
            {
                "url": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html",
                "refsource": "MISC",
                "name": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html"
            }
        ]
    }
}