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CVE-2011-2498

Estado: ModificadaMedia (5.5)—

El kernel de Linux desde versión v2.3.36 anteriores a v2.6.39, permite a usuarios locales sin privilegios causar una denegación de servicio (consumo de memoria) al activar la creación de páginas PTE.

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)

Canonical — Ubuntu LinuxLinux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-2498",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 4.9,
          "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,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
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        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Linux kernel",
          "versions": [
            {
              "status": "affected",
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            }
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        }
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  "published": "2020-02-20T04:15:10.680",
  "references": [
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    },
    {
      "url": "https://www.rapid7.com/db/vulnerabilities/ubuntu-USN-1383-1",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-772"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Linux kernel from v2.3.36 before v2.6.39 allows local unprivileged users to cause a denial of service (memory consumption) by triggering creation of PTE pages."
    },
    {
      "lang": "es",
      "value": "El kernel de Linux desde versión v2.3.36 anteriores a v2.6.39, permite a usuarios locales sin privilegios causar una denegación de servicio (consumo de memoria) al activar la creación de páginas PTE."
    }
  ],
  "lastModified": "2026-06-16T23:31:27.430",
  "configurations": [
    {
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        {
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          "cpeMatch": [
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  "sourceIdentifier": "secalert@redhat.com"
}