{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-09-25T11:03:12.931Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://xenbits.xen.org/xsa/advisory-462.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2024/09/24/1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 7.3,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-45817",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-25T13:35:45.402325Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-209",
                "description": "CWE-209 Generation of Error Message Containing Sensitive Information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-20T21:33:14.401Z",
          "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-462"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "Xen 4.5 and onwards are vulnerable.  Xen 4.4 and older are not vulnerable.\n\nOnly x86 systems running HVM or PVH guests are vulnerable.\nArchitectures other than x86 are not vulnerable.\n\nOnly HVM or PVH guests can leverage the vulnerability.  PV guests cannot\nleverage the vulnerability."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "This issue was discovered after a BUGSENG team working on MISRA C\ncompliance of Xen pointed attention to ECLAIR reports for MISRA C Rule\n17.2 (Functions shall not call themselves, either directly or\nindirectly)."
        }
      ],
      "datePublic": "2024-09-24T10:46:00Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In x86\u0027s APIC (Advanced Programmable Interrupt Controller) architecture,\nerror conditions are reported in a status register.  Furthermore, the OS\ncan opt to receive an interrupt when a new error occurs.\n\nIt is possible to configure the error interrupt with an illegal vector,\nwhich generates an error when an error interrupt is raised.\n\nThis case causes Xen to recurse through vlapic_error().  The recursion\nitself is bounded; errors accumulate in the the status register and only\ngenerate an interrupt when a new status bit becomes set.\n\nHowever, the lock protecting this state in Xen will try to be taken\nrecursively, and deadlock."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "A buggy or malicious HVM or PVH guest can deadlock Xen, leading to a\nDoS."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-25T10:31:57.371Z",
        "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
        "shortName": "XEN"
      },
      "references": [
        {
          "url": "https://xenbits.xenproject.org/xsa/advisory-462.html"
        }
      ],
      "title": "x86: Deadlock in vlapic_error()",
      "workarounds": [
        {
          "lang": "en",
          "value": "Not running untrusted HVM or PVH VMs will avoid this vulnerability."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f",
    "assignerShortName": "XEN",
    "cveId": "CVE-2024-45817",
    "datePublished": "2024-09-25T10:31:57.371Z",
    "dateReserved": "2024-09-09T14:43:11.826Z",
    "dateUpdated": "2024-11-20T21:33:14.401Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}