CVE-2026-10653: zephyr from 2.7.0 (inclusive), through 4.4.1 (inclusive), 2.7.0 to before 4.3.1, 4.4.0 to before 4.4.2

Affected technology

zephyr · from 2.7.0 (inclusive), through 4.4.1 (inclusive)
zephyrproject

zephyr · 2.7.0 to before 4.3.1, 4.4.0 to before 4.4.2
zephyrproject

Component: Not specified by the source
File: include/zephyr/net_buf.h, lib/net_buf/buf.c, subsys/net/ip/net_pkt.c

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

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.4/10) rates confidentiality and integrity impact as low; availability impact as high. NVD’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.