What is CVE-2026-10679?

CVE-2026-10679 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Divide By Zero. CVSS score: 3.3/10. Published 2026-07-21.

How severe is CVE-2026-10679?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Zephyrproject Zephyr

CVE-2026-10679

The DesignWare SPI driver (drivers/spi/spi_dw.c) computed the SPI BAUDR clock divider as info->clock_frequency / config->frequency without validating config->frequency. spi_transceive is a Zephyr __syscall and its verify handler (drivers/…

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Zephyrproject Zephyr — versions 1.8.0

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

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

Frequently asked questions

What is CVE-2026-10679?: CVE-2026-10679 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Divide By Zero. CVSS score: 3.3/10. Published 2026-07-21.
How severe is CVE-2026-10679?: Low severity. CVSS v3 base score is 3.3 out of 10.