CVE-2026-64084 hwmon: (pmbus/adm1266) cap PDIO scan in get_multiple at ADM1266_PDIO_NR

In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 cap PDIO scan in getmultiple at ADM1266PDIONR adm1266gpiogetmultiple iterates the PDIO portion of the caller-supplied mask using foreachsetbitfromgpionr, mask, ADM1266GPIONR + ADM1266PDIOSTATUS ... where...

CVE-2026-64084

Summary: CVE-2026-64084 affects the Linux kernel’s hwmon pmbus/adm1266 driver. The bug occurs in adm1266_gpio_get_multiple() when iterating the PDIO portion of the caller-supplied mask. It uses for_each_set_bit_from with an upper bound of ADM1266_GPIO_NR + ADM1266_PDIO_STATUS (0xE9/233) instead o...