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CVE-2020-27418

Estado: ModificadaMedia (4.4)—

A Use After Free vulnerability in Fedora Linux kernel 5.9.0-rc9 allows attackers to obatin sensitive information via vgacon_invert_region() function.

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 (1)

Fedoraproject — Fedora Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-27418",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-27418",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-03T19:23:30.017813Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-08-22T19:16:20.047",
  "references": [
    {
      "url": "https://patchwork.freedesktop.org/patch/356372/",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://patchwork.freedesktop.org/patch/356372/",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Use After Free vulnerability in Fedora Linux kernel 5.9.0-rc9 allows attackers to obatin sensitive information via vgacon_invert_region() function."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de use-after-free en el kernel de Fedora Linux 5.9.0-rc9 permite a los atacantes obtener información confidencial a través de la función vgacon_invert_region()."
    }
  ],
  "lastModified": "2026-07-09T01:16:42.120",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fedoraproject:fedora_linux_kernel:5.9.0:rc9:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "74ED0E71-78FA-49CF-8D16-B2B3291F352E"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}