{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-34321",
        "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "state": "PUBLISHED",
        "assignerShortName": "XEN",
        "dateReserved": "2023-06-01T10:44:17.065Z",
        "datePublished": "2024-01-05T16:17:17.379Z",
        "dateUpdated": "2024-08-02T16:10:06.437Z"
    },
    "containers": {
        "cna": {
            "title": "arm32: The cache may not be properly cleaned/invalidated",
            "datePublic": "2023-09-05T07:03:00Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Arm provides multiple helpers to clean & invalidate the cache\nfor a given region.  This is, for instance, used when allocating\nguest memory to ensure any writes (such as the ones during scrubbing)\nhave reached memory before handing over the page to a guest.\n\nUnfortunately, the arithmetics in the helpers can overflow and would\nthen result to skip the cache cleaning/invalidation.  Therefore there\nis no guarantee when all the writes will reach the memory.\n"
                }
            ],
            "impacts": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "A malicious guest may be able to read sensitive data from memory that\npreviously belonged to another guest.\n"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unknown",
                    "product": "Xen",
                    "vendor": "Xen",
                    "versions": [
                        {
                            "status": "unknown",
                            "version": "consult Xen advisory XSA-437"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "Systems running all version of Xen are affected.\n\nOnly systems running Xen on Arm 32-bit are vulnerable.  Xen on Arm 64-bit\nis not affected.\n"
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There is no known mitigation.\n"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "This issue was discovered by Julien Grall of Amazon.\n"
                }
            ],
            "references": [
                {
                    "url": "https://xenbits.xenproject.org/xsa/advisory-437.html"
                }
            ],
            "providerMetadata": {
                "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
                "shortName": "XEN",
                "dateUpdated": "2024-01-05T16:17:17.379Z"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T16:10:06.437Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://xenbits.xenproject.org/xsa/advisory-437.html",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}