CVE-2026-10678: zephyr from 4.3.0 (inclusive), through 4.4.1 (inclusive), 4.3.0 to before 4.3.1, 4.4.0 to before 4.4.2

Affected technology

zephyr · from 4.3.0 (inclusive), through 4.4.1 (inclusive)
zephyrproject

zephyr · 4.3.0 to before 4.3.1, 4.4.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
File: include/zephyr/pmci/mctp/mctp_i2c_gpio_target.h, subsys/pmci/mctp/mctp_i2c_gpio_controller.c, subsys/pmci/mctp/mctp_i2c_gpio_target.c

Attack conditions (Vendor/CNA, CVSS 3.1): Adjacent network · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality impact as none; integrity and availability impact as high.