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CVE-2023-20511

Estado: Pendiente de análisisMedia (6.4)—

Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

AMD — Kernel Mode DriverAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-20511",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-20511",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-01T03:56:25.992251Z"
        }
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@amd.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.5
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@amd.com",
      "affectedData": [
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ Instinct™ MI25 Graphics Products",
          "versions": [
            {
              "status": "unaffected",
              "version": "Contact your AMD Customer Engineering representative"
            }
          ],
          "defaultStatus": "affected"
        },
        {
          "vendor": "AMD",
          "product": "AMD Radeon™ PRO V620 Graphics Products",
          "versions": [
            {
              "status": "unaffected",
              "version": "Contact your AMD Customer Engineering representative"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-08-31T19:16:44.380",
  "references": [
    {
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html",
      "source": "psirt@amd.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@amd.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-763"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution."
    }
  ],
  "lastModified": "2026-09-03T16:37:52.170",
  "sourceIdentifier": "psirt@amd.com"
}