{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-09-25T11:02:55.207Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://xenbits.xen.org/xsa/advisory-461.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2024/08/14/3"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "xen",
            "vendor": "xen",
            "versions": [
              {
                "lessThanOrEqual": "*",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "CHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-31146",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-25T13:14:46.996097Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-25T13:24:47.409Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Xen",
          "vendor": "Xen",
          "versions": [
            {
              "status": "unknown",
              "version": "consult Xen advisory XSA-461"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "All systems making use of PCI pass-through are in principle vulnerable,\nwhen any kind of resource is shared.  Just to re-iterate, even in the\nabsence of resource sharing caveats apply to passing through of PCI\ndevices to entirely untrusted guests."
        }
      ],
      "datePublic": "2024-08-13T12:00:00Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "When multiple devices share resources and one of them is to be passed\nthrough to a guest, security of the entire system and of respective\nguests individually cannot really be guaranteed without knowing\ninternals of any of the involved guests.  Therefore such a configuration\ncannot really be security-supported, yet making that explicit was so far\nmissing.\n\nResources the sharing of which is known to be problematic include, but\nare not limited to\n- - PCI Base Address Registers (BARs) of multiple devices mapping to the\n  same page (4k on x86),\n- - INTx lines."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "The precise effects when shared resources are in use are system, device,\nguest, and resource specific.  None of privilege escalation, information\nleaks, or Denial of Service (DoS) can be ruled out."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-25T10:31:51.154Z",
        "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "shortName": "XEN"
      },
      "references": [
        {
          "url": "https://xenbits.xenproject.org/xsa/advisory-461.html"
        }
      ],
      "title": "PCI device pass-through with shared resources",
      "workarounds": [
        {
          "lang": "en",
          "value": "Passing through only SR-IOV virtual functions or devices with well-\nseparated resources will avoid this particular vulnerability.  Passing\nthrough all devices sharing a given resource to the same guest will also\navoid this particular vulnerability."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
    "assignerShortName": "XEN",
    "cveId": "CVE-2024-31146",
    "datePublished": "2024-09-25T10:31:51.154Z",
    "dateReserved": "2024-03-28T18:14:12.893Z",
    "dateUpdated": "2024-09-25T13:24:47.409Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}