VULNERABILITY INTELLIGENCE
CVE-2023-1901
CVSS score5.9 MEDIUM
EPSS probability0.60%
CISA KEVNot currently listed
Published2023-07-10
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Description
The bluetooth HCI host layer logic not clearing a global reference to a semaphore after synchronously sending HCI commands may allow a malicious HCI Controller to cause the use of a dangling reference in the host layer, leading to a crash (DoS) or potential RCE on the Host layer.
Weakness classification
- nvd@nist.gov: CWE-787
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-672
Primary references
- vulnerabilities@zephyrproject.org — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory