{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-58143",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-11T14:21:09.042615Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-366",
                "description": "CWE-366 Race Condition within a Thread",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-11T14:41:56.160Z",
          "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-472"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "Xen versions 4.13 and newer are vulnerable.  Xen versions 4.12 and older\nare not vulnerable.\n\nOnly x86 HVM guests which have the reference_tsc or stimer viridian\nextensions enabled are vulnerable."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "This issue was discovered by Roger Pau Monn\u00e9 of XenServer."
        }
      ],
      "datePublic": "2025-09-09T11:53:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nThere are multiple issues related to the handling and accessing of guest\nmemory pages in the viridian code:\n\n 1. A NULL pointer dereference in the updating of the reference TSC area.\n    This is CVE-2025-27466.\n\n 2. A NULL pointer dereference by assuming the SIM page is mapped when\n    a synthetic timer message has to be delivered.  This is\n    CVE-2025-58142.\n\n 3. A race in the mapping of the reference TSC page, where a guest can\n    get Xen to free a page while still present in the guest physical to\n    machine (p2m) page tables.  This is CVE-2025-58143."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Denial of Service (DoS) affecting the entire host, information leaks, or\nelevation of privilege."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-11T14:05:29.729Z",
        "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "shortName": "XEN"
      },
      "references": [
        {
          "url": "https://xenbits.xenproject.org/xsa/advisory-472.html"
        }
      ],
      "title": "Mutiple vulnerabilities in the Viridian interface",
      "workarounds": [
        {
          "lang": "en",
          "value": "Not enabling the reference_tsc and stimer viridian extensions will avoid\nthe issues."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
    "assignerShortName": "XEN",
    "cveId": "CVE-2025-58143",
    "datePublished": "2025-09-11T14:05:29.729Z",
    "dateReserved": "2025-08-26T06:48:41.443Z",
    "dateUpdated": "2025-09-11T14:41:56.160Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-58143\",\"sourceIdentifier\":\"security@xen.org\",\"published\":\"2025-09-11T14:15:42.470\",\"lastModified\":\"2025-09-24T13:59:09.360\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"[This CNA information record relates to multiple CVEs; the\\ntext explains which aspects/vulnerabilities correspond to which CVE.]\\n\\nThere are multiple issues related to the handling and accessing of guest\\nmemory pages in the viridian code:\\n\\n 1. A NULL pointer dereference in the updating of the reference TSC area.\\n    This is CVE-2025-27466.\\n\\n 2. A NULL pointer dereference by assuming the SIM page is mapped when\\n    a synthetic timer message has to be delivered.  This is\\n    CVE-2025-58142.\\n\\n 3. A race in the mapping of the reference TSC page, where a guest can\\n    get Xen to free a page while still present in the guest physical to\\n    machine (p2m) page tables.  This is CVE-2025-58143.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-366\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*\",\"versionStartIncluding\":\"4.13.0\",\"versionEndExcluding\":\"4.17.0\",\"matchCriteriaId\":\"79DE0A8E-ACC5-420F-923D-E4FEAFBBB77A\"}]}]}],\"references\":[{\"url\":\"https://xenbits.xenproject.org/xsa/advisory-472.html\",\"source\":\"security@xen.org\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}