Vulnerability Database

318,275

Total vulnerabilities in the database

CVE-2023-1901

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.

  • Published: Jul 10, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-1901
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.9
  • AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

CWEs:

Software From Fixed in
zephyrproject / zephyr - 3.3.0.x