Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-80711

Gravedad:
Pendiente de análisis
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
28/08/2026
Última modificación:
28/08/2026

Descripción

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> power: supply: max17040: handle missing status supplier<br /> <br /> MAX17040 does not report charger state itself, so the driver forwards<br /> POWER_SUPPLY_PROP_STATUS to a supplier power supply. If no supplier is<br /> registered, power_supply_get_property_from_supplier() returns -ENODEV and<br /> leaves the output value untouched.<br /> <br /> max17040_get_property() currently ignores that error and returns success,<br /> so userspace can read an uninitialized status value from the battery power<br /> supply. This happens on systems that use the fuel gauge without a charger<br /> supplier relationship in firmware.<br /> <br /> Return POWER_SUPPLY_STATUS_UNKNOWN when no supplier provides STATUS, and<br /> propagate other supplier lookup errors.

Impacto