{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T20:53:21.884Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://xenbits.xenproject.org/xsa/advisory-447.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XLL6SQ6IKFYXLYWITYZCRV5IBRK5G35R/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JFVKWYQFRUU3CAS53THTUKXEOUDWI42G/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Xen",
          "vendor": "Xen",
          "versions": [
            {
              "status": "unknown",
              "version": "consult Xen advisory XSA-447"
            }
          ]
        }
      ],
      "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"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "This issue was discovered by Michal Orzel from AMD.\n"
        }
      ],
      "datePublic": "2023-12-12T12:00:00Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Arm provides multiple helpers to clean \u0026 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\nThis undefined behavior was meant to be addressed by XSA-437, but the\napproach was not sufficient.\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"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-05T16:36:10.881Z",
        "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "shortName": "XEN"
      },
      "references": [
        {
          "url": "https://xenbits.xenproject.org/xsa/advisory-447.html"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XLL6SQ6IKFYXLYWITYZCRV5IBRK5G35R/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JFVKWYQFRUU3CAS53THTUKXEOUDWI42G/"
        }
      ],
      "title": "arm32: The cache may not be properly cleaned/invalidated (take two)",
      "workarounds": [
        {
          "lang": "en",
          "value": "There is no known mitigation.\n"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
    "assignerShortName": "XEN",
    "cveId": "CVE-2023-46837",
    "datePublished": "2024-01-05T16:36:10.881Z",
    "dateReserved": "2023-10-27T07:55:35.332Z",
    "dateUpdated": "2024-08-02T20:53:21.884Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}