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CVE-2022-50570

Estado: AplazadaAlta (7.8)—

In the Linux kernel, the following vulnerability has been resolved:

platform/chrome: fix memory corruption in ioctl

If "s_mem.bytes" is larger than the buffer size it leads to memory corruption.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:L + PR:L sin UI indica escalada local. La corrupción de memoria (CWE implícito) en ioctl puede ejecutar código con permisos elevados o manipular datos del kernel.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (1)

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

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-50570",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "eda2e30c6684d67288edb841c6125d48c608a242",
              "lessThan": "e548f9503c4b3292a60a63fe77dccea62999a35a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "eda2e30c6684d67288edb841c6125d48c608a242",
              "lessThan": "868fc93b615b9f6c2b0b1894536618fa6cd66acc",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "eda2e30c6684d67288edb841c6125d48c608a242",
              "lessThan": "fd1d3b265784a2243fcaef06aebfb2f8ee733cec",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "eda2e30c6684d67288edb841c6125d48c608a242",
              "lessThan": "f143f1d9a8e5c6c9db3de81ca270191226fcce36",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "eda2e30c6684d67288edb841c6125d48c608a242",
              "lessThan": "0c2e18924504208644d18415667895a4ac54cf2a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "eda2e30c6684d67288edb841c6125d48c608a242",
              "lessThan": "8a07b45fd3c2dda24fad43639be5335a4595196a",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/platform/chrome/cros_ec_chardev.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.4"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.4.220",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.150",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.75",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver",
              "lessThanOrEqual": "5.19.*"
            },
            {
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/platform/chrome/cros_ec_chardev.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-10-22T14:15:41.910",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0c2e18924504208644d18415667895a4ac54cf2a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/868fc93b615b9f6c2b0b1894536618fa6cd66acc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8a07b45fd3c2dda24fad43639be5335a4595196a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e548f9503c4b3292a60a63fe77dccea62999a35a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/f143f1d9a8e5c6c9db3de81ca270191226fcce36",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/fd1d3b265784a2243fcaef06aebfb2f8ee733cec",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: fix memory corruption in ioctl\n\nIf \"s_mem.bytes\" is larger than the buffer size it leads to memory\ncorruption."
    }
  ],
  "lastModified": "2026-08-04T10:18:19.780",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}