Double Free in Zephyrproject Zephyr

CVE-2022-3806

Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.

Vulnerability class: Double Free

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zephyrproject Zephyr
Zephyrproject-rtos Zephyr — versions unspecified

Weakness classification (CWE)

CWE-415 — Double Free

Public proof-of-concept exploits

karimhabush/cyberowl

References

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

Frequently asked questions

What is CVE-2022-3806?: CVE-2022-3806 is a critical-severity vulnerability in Zephyrproject Zephyr, classified under Double Free. CVSS score: 9.8/10. Published 2023-01-25.
How severe is CVE-2022-3806?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-3806 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.