What is CVE-2026-10670?

CVE-2026-10670 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-07-14.

How severe is CVE-2026-10670?

Medium severity. CVSS v3 base score is 5.5 out of 10.

NULL pointer dereference in Zephyrproject Zephyr

CVE-2026-10670

The CONFIG_USERSPACE verification handler for the k_thread_name_copy() system call (z_vrfy_k_thread_name_copy() in kernel/thread.c) calls k_object_find() on the caller-supplied thread pointer and then dereferences the returned struct k_obj…

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zephyrproject Zephyr — versions 2.0.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

vulnerabilities@zephyrproject.org (patch)
vulnerabilities@zephyrproject.org

Frequently asked questions

What is CVE-2026-10670?: CVE-2026-10670 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-07-14.
How severe is CVE-2026-10670?: Medium severity. CVSS v3 base score is 5.5 out of 10.