cve.bz

CVE-2023-1901

8.0 highEPSS 0.6%

High (8.0) in zephyrproject zephyr. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.0 high
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWEs
CWE-787, CWE-672
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON