{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-34320",
        "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "state": "PUBLISHED",
        "assignerShortName": "XEN",
        "dateReserved": "2023-06-01T10:44:17.064Z",
        "datePublished": "2023-12-08T20:54:06.993Z",
        "dateUpdated": "2024-08-02T16:10:06.648Z"
    },
    "containers": {
        "cna": {
            "title": "arm: Guests can trigger a deadlock on Cortex-A77",
            "datePublic": "2023-08-01T14:44:00Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412\nwhere software, under certain circumstances, could deadlock a core\ndue to the execution of either a load to device or non-cacheable memory,\nand either a store exclusive or register read of the Physical\nAddress Register (PAR_EL1) in close proximity.\n"
                }
            ],
            "impacts": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "A (malicious) guest that doesn't include the workaround for erratum\n1508412 could deadlock the core.  This will ultimately result to\na deadlock of the system.\n"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unknown",
                    "product": "Xen",
                    "vendor": "Xen",
                    "versions": [
                        {
                            "status": "unknown",
                            "version": "consult Xen advisory XSA-436"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "Systems running all version of Xen are affected.\n\nThis bug is specific to Arm Cortex-A77 cores r0p0 and r1p0.\n"
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There are no known mitigations.\n"
                }
            ],
            "references": [
                {
                    "url": "https://xenbits.xenproject.org/xsa/advisory-436.html"
                }
            ],
            "providerMetadata": {
                "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
                "shortName": "XEN",
                "dateUpdated": "2023-12-08T20:54:06.993Z"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T16:10:06.648Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://xenbits.xenproject.org/xsa/advisory-436.html",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}