CVE-2023-0397 — CRITICAL (9.6)

Q: What is CVE-2023-0397?

CVE-2023-0397 is a vulnerability with a CVSS score of 9.6 (CRITICAL). A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

Q: How severe is CVE-2023-0397?

CVE-2023-0397 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2023-0397?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.

Vulnerability Description

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

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zephyrproject	Zephyr	<= 3.2.0

Related Weaknesses (CWE)

CWE-665 CWE-703

References

https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-ExploitThird Party Advisory
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-wc2h-h868-ExploitThird Party Advisory

FAQ

What is CVE-2023-0397?

CVE-2023-0397 is a vulnerability with a CVSS score of 9.6 (CRITICAL). A malicious / defect bluetooth controller can cause a Denial of Service due to unchecked input in le_read_buffer_size_complete.

How severe is CVE-2023-0397?

CVE-2023-0397 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-0397?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.