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CVE-2018-10981

Estado: ModificadaMedia (6.5)—
Gravedad6.5Media · CVSS 3.0
Probabilidad de explotación0.42 %mayor que el 35 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Se ha descubierto un problema en Xen hasta las versiones 4.10.x que permite que usuarios invitados del sistema operativo x86 HVM provoquen una denegación de servicio (bucle infinito del sistema operativo del host) en situaciones en las que un modelo de dispositivo QEMU intenta realizar transiciones no válidas entre estados de una petición.

CVSS

Puntuación base
6.5
Versión
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.42 %
Percentil entre todas las CVEs puntuadas
35
Fecha de la puntuación
20/10/2026

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)

Debian — Debian LinuxXEN — XEN

CWE

Referencias

Mostrar las 14 referencias

JSON original (NVD)

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{
  "id": "CVE-2018-10981",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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    "cvssMetricV30": [
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          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 4,
        "exploitabilityScore": 2
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    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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      ]
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  ],
  "published": "2018-05-10T22:29:00.213",
  "references": [
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      "url": "http://openwall.com/lists/oss-security/2018/05/08/3",
      "tags": [
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      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://lists.debian.org/debian-lts-announce/2018/05/msg00015.html",
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    {
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    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users to cause a denial of service (host OS infinite loop) in situations where a QEMU device model attempts to make invalid transitions between states of a request."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en Xen hasta las versiones 4.10.x que permite que usuarios invitados del sistema operativo x86 HVM provoquen una denegación de servicio (bucle infinito del sistema operativo del host) en situaciones en las que un modelo de dispositivo QEMU intenta realizar transiciones no válidas entre estados de una petición."
    }
  ],
  "lastModified": "2026-06-17T01:35:02.770",
  "configurations": [
    {
      "nodes": [
        {
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          "cpeMatch": [
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  "sourceIdentifier": "cve@mitre.org"
}