Refactor Malicious Advertising Data Check in Bluetooth
Summary
GSD-2022-1000120: Bluetooth: refactor malicious adv data check. Affects Kernel versions < 8819f93cd4a443dfe547aa622b21f723757df3fb. No fix is published. How to fix ↓
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Background
The Bluetooth package in the Linux Kernel is responsible for managing Bluetooth communication on Linux systems. It provides functionality for connecting and exchanging data between Bluetooth devices. The vulnerability identified in this package relates to the handling of malicious advertising data. Advertising data is used by Bluetooth devices to broadcast information about their capabilities and services. However, if this data is crafted maliciously, it can lead to security issues.
Vulnerability Detail
The vulnerability arises from a flaw in the Bluetooth package's handling of advertising data. Attackers can manipulate the advertising data to execute malicious code or perform other unauthorized actions. This can result in various consequences, such as remote code execution, information disclosure, or denial of service. The vulnerability has been fixed in the Linux Kernel version v4.19.228 through commit 8819f93cd4a443dfe547aa622b21f723757df3fb.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The Bluetooth package in the Linux Kernel was found to have a vulnerability related to the handling of malicious advertising data. This vulnerability has been fixed in the Linux Kernel version v4.19.228. Users are advised to update their kernel to the latest version to ensure their systems are protected. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the attacker's intentions and the targeted system. Possible consequences include remote code execution, information disclosure, or denial of service.
At the time of this report, there is no known public exploit for this vulnerability. However, it is always advisable to apply security patches promptly to mitigate the risk.
Yes, this vulnerability can be exploited remotely. Attackers can craft malicious advertising data and transmit it to vulnerable Bluetooth devices, potentially leading to the execution of unauthorized code or other security breaches.
No, the vulnerability has been fixed in the Linux Kernel version v4.19.228 and later. Users should ensure they are using an updated version of the kernel to mitigate the risk.
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