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CVE-2024-31142

Estado: AnalizadaAlta (7.5)—

Because of a logical error in XSA-407 (Branch Type Confusion), the mitigation is not applied properly when it is intended to be used. XSA-434 (Speculative Return Stack Overflow) uses the same infrastructure, so is equally impacted.

Detalles técnicos trazas, registros y código del informe original
For more details, see:
  https://xenbits.xen.org/xsa/advisory-407.html
  https://xenbits.xen.org/xsa/advisory-434.html

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Fedoraproject — FedoraXEN — XEN

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2024-31142",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2024-31142",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-05-20T13:51:28.453648Z"
        }
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.6
      }
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  "affected": [
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      "source": "security@xen.org",
      "affectedData": [
        {
          "vendor": "Xen",
          "product": "Xen",
          "versions": [
            {
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  "published": "2024-05-16T14:15:08.903",
  "references": [
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    },
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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      "value": "Because of a logical error in XSA-407 (Branch Type Confusion), the\nmitigation is not applied properly when it is intended to be used.\nXSA-434 (Speculative Return Stack Overflow) uses the same\ninfrastructure, so is equally impacted.\n\nFor more details, see:\n  https://xenbits.xen.org/xsa/advisory-407.html\n  https://xenbits.xen.org/xsa/advisory-434.html\n"
    },
    {
      "lang": "es",
      "value": "Debido a un error lógico en XSA-407 (confusión de tipo de rama), la mitigación no se aplica correctamente cuando se pretende utilizarla. XSA-434 (desbordamiento de pila de retorno especulativo) utiliza la misma infraestructura, por lo que se ve igualmente afectado. Para obtener más detalles, consulte: https://xenbits.xen.org/xsa/advisory-407.html https://xenbits.xen.org/xsa/advisory-434.html"
    }
  ],
  "lastModified": "2026-06-17T07:27:51.600",
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