What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-01-25 · updated 2026-06-17
• Weakness: CWE-415

Description

Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer.

Affected products

• zephyrproject zephyr: through 3.2.0

References

• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w525-fm68-ppq3
• https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w525-fm68-ppq3

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