cvelist/2021/26xxx/CVE-2021-26340.json

{
    "CVE_data_meta": {
        "ASSIGNER": "psirt@amd.com",
        "DATE_PUBLIC": "2021-12-06T20:30:00.000Z",
        "ID": "CVE-2021-26340",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "AMD EPYC\u2122",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "Processor ",
                                            "version_value": "3rd gen EPYC"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "AMD"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM)."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "NA"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1023",
                "name": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1023"
            }
        ]
    },
    "source": {
        "advisory": "AMD-SB-1023",
        "discovery": "EXTERNAL"
    }
}