Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2023-1901
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-1901
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-1901
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.0
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H |
1.2
|
4.7
|
Zephyr Project |
CWE ids for CVE-2023-1901
-
The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-1901
-
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xvvm-8mcm-9cq3
HCI send_sync Dangling Semaphore Reference Re-use · Advisory · zephyrproject-rtos/zephyr · GitHubVendor Advisory
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