CVE-2026-64085

A flaw was found in the Linux kernel's pmbus/adm1266 driver, which is responsible for hardware monitoring. This vulnerability occurs because the driver does not properly handle data sizes when reading blackbox records from a device. A malicious or malformed device could send more data than...

CVE-2026-64085

The CVE describes a Linux kernel hwmon issue (adm1266) where adm1266_pmbus_block_xfer() copies a device-supplied block payload into a caller buffer using msgs[1].buf[0] as length. The helper may write more than the protected ADM1266_BLACKBOX_SIZE (64 bytes), while the caller advances read_buff in...