Vulnerability in Zephyrproject Zephyr

CVE-2023-0397

A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H.

Affected products

Zephyrproject Zephyr
Zephyrproject-rtos Zephyr — versions unspecified

Weakness classification (CWE)

References

vulnerabilities@zephyrproject.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0397?: CVE-2023-0397 is a critical-severity vulnerability in Zephyrproject Zephyr, classified under CWE-703. CVSS score: 9.6/10. Published 2023-01-19.
How severe is CVE-2023-0397?: Critical severity. CVSS v3 base score is 9.6 out of 10.