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CVE-2023-54266

Estado: AplazadaSin puntuar—

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

media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer()

'read' is freed when it is known to be NULL, but not when a read error occurs.

Revert the logic to avoid a small leak, should a m920x_read() call fail.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

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.

Referencias

JSON original (NVD)

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{
  "id": "CVE-2023-54266",
  "cveTags": [],
  "metrics": {},
  "affected": [
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          "vendor": "Linux",
          "product": "Linux",
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            {
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            {
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          ],
          "programFiles": [
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          ],
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        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
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            },
            {
              "status": "unaffected",
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            },
            {
              "status": "unaffected",
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            },
            {
              "status": "unaffected",
              "version": "6.4.16",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "status": "unaffected",
              "version": "6.5.3",
              "versionType": "semver",
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            },
            {
              "status": "unaffected",
              "version": "6.6",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
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          ],
          "defaultStatus": "affected"
        }
      ]
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  ],
  "published": "2025-12-30T13:16:15.410",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/2b6e20ef0585a467c24c7e4fde28518e5b33225a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/2cc9f11aeae2887a4db25c27323fc445f4b49e86",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "url": "https://git.kernel.org/stable/c/4feed3dfca722c6d74865a37cab853c58e6aa190",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "url": "https://git.kernel.org/stable/c/75d6ef197c488cd852493b4a419274e3489da79d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/809623fedc31f4e74039d93bb75a8993635d7534",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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    {
      "url": "https://git.kernel.org/stable/c/c0178e938f110cdf6937f26975c0c951dbb1d9db",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d13a84874a2e0236c9325b3adc8e126d0888ad6b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ea9ef6c2e001c5dc94bee35ebd1c8a98621cf7b8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer()\n\n'read' is freed when it is known to be NULL, but not when a read error\noccurs.\n\nRevert the logic to avoid a small leak, should a m920x_read() call fail."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmedia: dvb-usb: m920x: Corrige una posible fuga de memoria en m920x_i2c_xfer()\n\n'read' se libera cuando se sabe que es NULL, pero no cuando ocurre un error de lectura.\n\nRevierte la lógica para evitar una pequeña fuga, en caso de que una llamada a m920x_read() falle."
    }
  ],
  "lastModified": "2026-06-17T06:47:07.393",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}