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CVE-2024-57998

Estado: ModificadaAlta (7.8)—

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

OPP: add index check to assert to avoid buffer overflow in _read_freq()

Pass the freq index to the assert function to make sure we do not read a freq out of the opp->rates[] table when called from the indexed variants: dev_pm_opp_find_freq_exact_indexed() or dev_pm_opp_find_freq_ceil/floor_indexed().

Add a secondary parameter to the assert function, unused for assert_single_clk() then add assert_clk_index() which will check for the clock index when called from the _indexed() find functions.

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 (acceso local con privilegios) indica escalada local. CWE-125 (buffer overflow) con C:H I:H A:H permite ejecución de código; kernel permite arbitrary code execution como raíz.

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

Execution PreventionThreat Intelligence ProgramRestrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationBehavior Prevention on Endpoint

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nOPP: add index check to assert to avoid buffer overflow in _read_freq()\n\nPass the freq index to the assert function to make sure\nwe do not read a freq out of the opp->rates[] table when called\nfrom the indexed variants:\ndev_pm_opp_find_freq_exact_indexed() or\ndev_pm_opp_find_freq_ceil/floor_indexed().\n\nAdd a secondary parameter to the assert function, unused\nfor assert_single_clk() then add assert_clk_index() which\nwill check for the clock index when called from the _indexed()\nfind functions."
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      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: OPP: agregar comprobación de índice a assert para evitar el desbordamiento de búfer en _read_freq() Pasar el índice freq a la función assert para asegurarnos de que no leemos un freq de la tabla opp->rates[] cuando se llama desde las variantes indexadas: dev_pm_opp_find_freq_exact_indexed() o dev_pm_opp_find_freq_ceil/floor_indexed(). Agregar un parámetro secundario a la función assert, no utilizado para assert_single_clk() y luego agregar assert_clk_index() que verificará el índice del reloj cuando se llame desde las funciones de búsqueda _indexed()."
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