CVE-2022-3806 Explained : Impact and Mitigation
Inconsistent Bluetooth HCI error handling can lead to a double free condition of a network buffer, impacting zephyrproject-rtos versions up to v3.2. Apply security patches promptly.
Bluetooth HCI Error Handling Double Free
Understanding CVE-2022-3806
This CVE involves inconsistent error handling in Bluetooth HCI that can result in a double free network buffer condition.
What is CVE-2022-3806?
The vulnerability in Bluetooth HCI could lead to a situation where an error scenario is handled inconsistently, potentially causing a double free condition of a network buffer.
The Impact of CVE-2022-3806
The impact of this vulnerability could allow an attacker to exploit the double free condition to execute arbitrary code or crash the system.
Technical Details of CVE-2022-3806
Vulnerability Description
The vulnerability arises from how error cases in Bluetooth HCI are managed, which might result in a double free situation for a network buffer.
Affected Systems and Versions
The affected product is zephyr from the zephyrproject-rtos with versions up to v3.2.
Exploitation Mechanism
Exploiting this vulnerability requires knowledge of Bluetooth HCI and its error handling processes to trigger the double free condition.
Mitigation and Prevention
Immediate Steps to Take
Users are advised to apply security patches released by zephyrproject-rtos promptly to address this vulnerability.
Long-Term Security Practices
Implementing secure coding practices and regularly updating systems can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories and updates from zephyrproject-rtos to protect your systems from potential exploits.