CVE-2026-46064

The CVE-2026-46064 issue affects the Linux kernel’s ibmasm path. The ibmasm_send_i2o_message() helper derives the memcpy_toio() byte count from user-controlled dot_command_header fields (command_size: u8, data_size: u16) via get_dot_command_size(), but does not validate against the actual allocat...