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CVE-2024-50159

Estado: ModificadaAlta (7.8)—

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

firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()

When devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup() will run twice which causes double free of 'dbg->name'.

Remove the redundant scmi_debugfs_common_cleanup() to fix this problem.

Detalles técnicos trazas, registros y código del informe original
Clang static checker(scan-build) throws below warning：
  |  drivers/firmware/arm_scmi/driver.c:line 2915, column 2
  |        Attempt to free released memory.

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 del usuario (UI:N) con privilegios (PR:L) permite escalar a nivel de kernel explotando doble liberación de memoria. Potencial para ejecución de código arbitrario con privilegios elevados.

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\nfirmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()\n\nClang static checker(scan-build) throws below warning：\n  |  drivers/firmware/arm_scmi/driver.c:line 2915, column 2\n  |        Attempt to free released memory.\n\nWhen devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup()\nwill run twice which causes double free of 'dbg->name'.\n\nRemove the redundant scmi_debugfs_common_cleanup() to fix this problem."
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    }
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  "lastModified": "2026-08-04T11:21:26.827",
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