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CVE-2022-3806— Bluetooth HCI Error Handling Double Free

Quick assessment

Affected
zephyrproject-rtos zephyr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zephyr是Zephyr Project开源的一个可扩展的实时操作系统 (RTOS)。 zephyr 3.2及之前版本存在安全漏洞，该漏洞源于蓝牙hci中对错误情况的处理不一致，可能导致网络缓冲区的双重释放。

AI Predicted 5.5 Difficulty: Hard EPSS 1.01% · P62

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2022-3806

Vulnerability Information
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Vulnerability Title
Bluetooth HCI Error Handling Double Free
Source: CVE Program / CVE List V5
Vulnerability Description
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5
Vulnerability Title
zephyr 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zephyr是Zephyr Project开源的一个可扩展的实时操作系统 (RTOS)。 zephyr 3.2及之前版本存在安全漏洞，该漏洞源于蓝牙hci中对错误情况的处理不一致，可能导致网络缓冲区的双重释放。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
zephyrproject-rtos zephyr unspecified ~ v3.2 -

II. Public POCs for CVE-2022-3806

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III. Intelligence Information for CVE-2022-3806

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Vendor Advisories for CVE-2022-3806 (1)

Same Patch Batch · zephyrproject-rtos · 2023-01-19 · 3 CVEs total

CVE-2023-0397 9.6 CRITICAL DoS: Invalid Initialization in le_read_buffer_size_complete
CVE-2023-0396 Buffer Overreads in Bluetooth HCI

IV. Related Vulnerabilities

Same product: zephyr
Same vendor: zephyrproject-rtos
Same weakness: CWE-415

V. Comments for CVE-2022-3806

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