Refactor Malicious Advertising Data Check in Bluetooth
Summary
GSD-2022-1000240: Bluetooth: refactor malicious adv data check. Affects Kernel versions < bcea886771c3f22a590c8c8b9139a107bd7f1e1c. No fix is published. How to fix ↓
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Background
The Bluetooth package in the Linux Kernel is responsible for enabling Bluetooth functionality on Linux-based systems. It provides support for wireless communication between devices, allowing data transfer and device pairing. Bluetooth technology is widely used in various applications, including wireless audio streaming, file sharing, and device connectivity. However, a vulnerability has been discovered in the Bluetooth package that could potentially be exploited by malicious actors.
Vulnerability Detail
The vulnerability in the Bluetooth package involves a flaw in the handling of malicious advertising data. Advertising data is used by Bluetooth devices to broadcast information about their capabilities and services. However, an attacker can craft malicious advertising data to exploit vulnerabilities in the Bluetooth stack. This could lead to various security issues, such as remote code execution, information disclosure, or denial of service attacks. The impact and attack plausibility of this vulnerability have not been proven yet, but it is crucial to address it to ensure the security of Bluetooth-enabled systems.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.19 or later. The fix for this vulnerability was implemented in commit bcea886771c3f22a590c8c8b9139a107bd7f1e1c of the Linux Kernel. Updating the Kernel to the latest version will ensure that the malicious advertising data check is properly refactored, mitigating the risk of exploitation.
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Workaround
There is no specific workaround mentioned for this vulnerability. It is advised to apply the fix by updating the Linux Kernel as mentioned in the 'how_to_fix' section.
Conclusion
The Bluetooth package in the Linux Kernel is vulnerable to a flaw in the handling of malicious advertising data. This vulnerability could potentially lead to remote code execution, information disclosure, or denial of service attacks. To mitigate this risk, it is crucial to update the Linux Kernel to version v5.15.19 or later. By applying the recommended fix, the malicious advertising data check will be properly refactored, ensuring the security of Bluetooth-enabled systems. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability could potentially include remote code execution, information disclosure, or denial of service attacks.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. It does not require any signup and can analyze your application's manifest file to identify vulnerabilities.
At the time of this report, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if an attacker crafts malicious advertising data and targets vulnerable Bluetooth-enabled systems.
There are no reported incidents related to this vulnerability at the time of this report. However, it is always recommended to stay updated with security patches and apply the necessary fixes.
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