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CVE-2024-36940

Estado: ModificadaAlta (7.8)—

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: core: eliminar incorrecto gratis en pinctrl_enable() La estructura "pctldev" está asignada en devm_pinctrl_register_and_init(). Es un puntero administrado por devm_ que se libera mediante devm_pinctrl_dev_release(), por lo que liberarlo en pinctrl_enable() generará una doble liberación. La función devm_pinctrl_dev_release() libera los pindescs y también destruye el mutex.

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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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: core: delete incorrect free in pinctrl_enable()\n\nThe \"pctldev\" struct is allocated in devm_pinctrl_register_and_init().\nIt's a devm_ managed pointer that is freed by devm_pinctrl_dev_release(),\nso freeing it in pinctrl_enable() will lead to a double free.\n\nThe devm_pinctrl_dev_release() function frees the pindescs and destroys\nthe mutex as well."
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