CVE-2026-55269: Bluetooth Module Memory Safety Vulnerability
Summary
CVE-2026-55269: In FilterCapturedPacket of snoop_logger.cc, there is a possible memory safety issue due to improper input validation. Affects platform/packages/modules/Bluetooth across 4 version ranges.
>= 16:0, < 16:2026-10-01
>= 16-qpr2:0, < 16-qpr2:2026-10-01
>= 17:0, < 17:2026-10-01
>= 17-next:0, < 17-next:2026-10-01
Fixed in 17-next:2026-10-01. How to fix ↓
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Background
The Bluetooth module in the Android ecosystem is responsible for managing Bluetooth connectivity and communication between devices. It facilitates data exchange, device pairing, and various Bluetooth profiles. This module is critical for enabling wireless communication in Android devices, making it a key component for users relying on Bluetooth functionality. However, it is susceptible to vulnerabilities that can lead to security breaches.
Vulnerability Detail
In the FilterCapturedPacket function of snoop_logger.cc, a memory safety issue arises due to improper input validation. This vulnerability allows for local escalation of privilege without requiring additional execution privileges. The exploitation of this vulnerability does not necessitate user interaction, making it particularly dangerous as it can be triggered automatically by malicious inputs.
How To Fix
Minimum fixed version
17-next:2026-10-01
This is the first release that contains the fix.
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Workaround
As a temporary workaround, consider disabling Bluetooth functionality until the patch is applied. This can be done by navigating to the device settings and turning off Bluetooth. Additionally, ensure that your device is not discoverable to prevent unauthorized access.
Conclusion
The Bluetooth module vulnerability CVE-2026-55269 poses a significant risk due to improper input validation leading to potential privilege escalation. It is crucial for users to update their systems to the patched versions to safeguard against exploitation. Utilizing tools like Vulert can help in monitoring vulnerabilities effectively.
See every vulnerability recorded for platform/packages/modules/Bluetooth →
FAQ
CVE-2026-55269 is a vulnerability in the Bluetooth module of Android that allows for local privilege escalation due to improper input validation.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
The risks include unauthorized access to system resources, potential data breaches, and exploitation of the device's Bluetooth capabilities.
No, user interaction is not needed for exploitation, making it particularly dangerous.
If immediate updates are not possible, disable Bluetooth functionality to mitigate the risk until the patch can be applied.
References
Related vulnerabilities
Recent vulnerabilities recorded for platform/packages/modules/Bluetooth.
