CVE-2022-3806— Bluetooth HCI Error Handling Double Free
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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: NVD (National Vulnerability Database)
Vulnerability Description
Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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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
- CVE-2026-1677
net: TLS 1.2 connections allowed on TLS 1.3 sockets - CVE-2026-5590
net: ip/tcp: Null pointer dereference can be triggered by a - CVE-2026-1679
net: eswifi socket send payload length not bounded - CVE-2026-4179
stm32: usb: Infinite while loop in Interrupt Handler - CVE-2026-0849
crypto: ATAES132A response length allows stack buffer overfl
Same vendor: zephyrproject-rtos
- CVE-2026-1677
net: TLS 1.2 connections allowed on TLS 1.3 sockets - CVE-2026-5590
net: ip/tcp: Null pointer dereference can be triggered by a - CVE-2026-1679
net: eswifi socket send payload length not bounded - CVE-2026-4179
stm32: usb: Infinite while loop in Interrupt Handler - CVE-2026-0849
crypto: ATAES132A response length allows stack buffer overfl
Same weakness: CWE-415
- CVE-2026-23918
Apache HTTP Server: http2: double free and possible RCE on e - CVE-2026-5657
Double Free in Wireshark - CVE-2026-33824
Windows Internet Key Exchange (IKE) Service Extensions Remot - CVE-2026-32074
Windows Projected File System Elevation of Privilege Vulnera - CVE-2026-32069
Windows Projected File System Elevation of Privilege Vulnera
V. Comments for CVE-2022-3806
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