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CVE-2018-11276

Estado: ModificadaAlta (7.8)—
Gravedad7.8Alta · CVSS 3.0
Probabilidad de explotación0.19 %mayor que el 8 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

En todas las distribuciones de Android de CAF (Android for MSM, Firefox OS for MSM y QRD Android) que utilizan el kernel de Linux, es posible la doble liberación (double free) de asignación de memoria en el Kernel cuando intenta explícitamente liberar esa memoria en el error del disco probe, ya que la memoria asignada se libera automáticamente en probe.

CVSS

Puntuación base
7.8
Versión
3.0
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.19 %
Percentil entre todas las CVEs puntuadas
8
Fecha de la puntuación
21/10/2026

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 (1)

Google — Android

CWE

Referencias

Mostrar las 6 referencias

JSON original (NVD)

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{
  "id": "CVE-2018-11276",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@qualcomm.com",
      "affectedData": [
        {
          "vendor": "Qualcomm, Inc.",
          "product": "Android for MSM, Firefox OS for MSM, QRD Android",
          "versions": [
            {
              "status": "affected",
              "version": "All Android releases from CAF using the Linux kernel"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-09-18T18:29:02.037",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/pixel/2018-09-01#qualcomm-components",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=83a44ca6057bf9c1e36515cded28edc32a4a1501",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/pixel/2018-09-01#qualcomm-components",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=83a44ca6057bf9c1e36515cded28edc32a4a1501",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, double free of memory allocation is possible in Kernel when it explicitly tries to free that memory on driver probe failure, since memory allocated is automatically freed on probe."
    },
    {
      "lang": "es",
      "value": "En todas las distribuciones de Android de CAF (Android for MSM, Firefox OS for MSM y QRD Android) que utilizan el kernel de Linux, es posible la doble liberación (double free) de asignación de memoria en el Kernel cuando intenta explícitamente liberar esa memoria en el error del disco probe, ya que la memoria asignada se libera automáticamente en probe."
    }
  ],
  "lastModified": "2026-06-17T01:35:38.020",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@qualcomm.com"
}