zephyrproject-rtos zephyr up to 3.2 Bluetooth HCI double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in zephyrproject-rtos zephyr up to 3.2 (Project Management Software). It has been rated as critical. This issue affects an unknown code of the component Bluetooth HCI. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. The impact remains unknown.

The weakness was presented 01/25/2023. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-3806. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Double free
CWE: CWE-415 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒


11/01/2022 CVE reserved
01/25/2023 +85 days Advisory disclosed
01/25/2023 +0 days VulDB entry created
02/19/2023 +25 days VulDB last update


Advisory: GHSA-w525-fm68-ppq3
Status: Confirmed

CVE: CVE-2022-3806 (🔒)


Created: 01/25/2023 08:06 PM
Updated: 02/19/2023 10:37 AM
Changes: 01/25/2023 08:06 PM (36), 02/19/2023 10:37 AM (3)
Complete: 🔍


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