CVE-2022-3806
Bluetooth HCI Error Handling Double Free
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
- Record
CVE-2022-3806- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
CVE List
Bluetooth HCI Error Handling Double Free
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
- Record
CVE-2022-3806- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
EUVDEUVD-2022-43147
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
- Record
EUVD-2022-43147- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
Bluetooth HCI Error Handling Double Free
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
- Record
CVE-2022-3806- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-3806 is a critical vulnerability (CVSS 9.8) in Zephyrproject Zephyr, published January 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.02%, the 63rd percentile. No source names a fixed version.