CVE-2026-10678

The CVE-2026-10678 issue affects Zephyr’s MCTP over I2C+GPIO target binding (mctp_i2c_gpio_target.c). It processes I2C bus master writes byte-by-byte without validating the receive buffer, dereferencing b->rx_pkt to write data for data registers (MCTP_I2C_GPIO_RX_MSG_ADDR) before the receive b...