CVE-2023-1901
CVSS 3.1 Score 8.0 of 10 (high)
Details
Published Jul 10, 2023
Updated: Jul 14, 2023
CWE ID 787
Summary
CVE-2023-1901 is a vulnerability affecting the Bluetooth HCI host layer. The issue stems from a failure to clear a global semaphore reference after synchronously sending HCI commands. This oversight allows a malicious HCI Controller to exploit the dangling reference, potentially causing a denial-of-service (DoS) or even achieving remote code execution (RCE) within the host layer.
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Affected Products
- Zephyrproject Zephyr
Affected Vendors
- Zephyr Project
Advisories, Assessments, and Mitigations
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