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CVE-2025-38286

Estado: AnalizadaAlta (7.1)—

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

pinctrl: at91: Fix possible out-of-boundary access

at91_gpio_probe() doesn't check that given OF alias is not available or something went wrong when trying to get it. This might have consequences when accessing gpio_chips array with that value as an index. Note, that BUG() can be compiled out and hence won't actually perform the required checks.

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.

Acceso local (AV:L) sin interacción (UI:N) con privilegios (PR:L) sugiere T1068. Out-of-boundary en array puede permitir ejecución de código o DoS; sin detalles de explotación post, se asumen T1059 e impacto de disponibilidad (BUG/crash).

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 (2)

CWE

Referencias

JSON original (NVD)

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: at91: Fix possible out-of-boundary access\n\nat91_gpio_probe() doesn't check that given OF alias is not available or\nsomething went wrong when trying to get it. This might have consequences\nwhen accessing gpio_chips array with that value as an index. Note, that\nBUG() can be compiled out and hence won't actually perform the required\nchecks."
    },
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      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: at91: Se corrige un posible acceso fuera de los límites. at91_gpio_probe() no comprueba si el alias OF dado no está disponible o si algo salió mal al intentar obtenerlo. Esto podría tener consecuencias al acceder a la matriz gpio_chips con ese valor como índice. Tenga en cuenta que BUG() se puede compilar y, por lo tanto, no realizará las comprobaciones necesarias."
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