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CVE-2025-38143

Estado: AnalizadaMedia (5.5)—

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

backlight: pm8941: Add NULL check in wled_configure()

devm_kasprintf() returns NULL when memory allocation fails. Currently, wled_configure() does not check for this case, which results in a NULL pointer dereference.

Add NULL check after devm_kasprintf() to prevent this issue.

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)

CWE

Referencias

JSON original (NVD)

Mostrar
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        "source": "nvd@nist.gov",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "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",
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      "description": [
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          "value": "CWE-476"
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    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbacklight: pm8941: Add NULL check in wled_configure()\n\ndevm_kasprintf() returns NULL when memory allocation fails. Currently,\nwled_configure() does not check for this case, which results in a NULL\npointer dereference.\n\nAdd NULL check after devm_kasprintf() to prevent this issue."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: backlight: pm8941: Se ha añadido una comprobación de valores NULL en wled_configure(). Devm_kasprintf() devuelve NULL cuando falla la asignación de memoria. Actualmente, wled_configure() no realiza la comprobación en este caso, lo que provoca una desreferencia de puntero NULL. Se ha añadido una comprobación de valores NULL después de devm_kasprintf() para evitar este problema."
    }
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