Bluetooth btmtksdio: Fix kernel oops in btmtksdio_interrupt

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1002237: Bluetooth: btmtksdio: Fix kernel oops in btmtksdio_interrupt. Affects Kernel versions >= 9aebfd4a2200ab8075e44379c758bccefdc589bb, < 874eca93966a786eace87fa6dfb206c2dd9519b1. No fix is published. How to fix ↓

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Background

The Bluetooth btmtksdio package is a component of the Linux Kernel, which is responsible for managing Bluetooth functionality on devices. It provides the necessary drivers and protocols for Bluetooth communication. The btmtksdio_interrupt function within the package is prone to a vulnerability that can cause a kernel oops, leading to potential system instability or crashes.

Vulnerability Detail

The vulnerability in the btmtksdio_interrupt function of the Bluetooth btmtksdio package can result in a kernel oops, causing system instability or crashes. The issue was introduced in Linux Kernel version v5.2 and fixed in v5.4.189. An attacker could potentially exploit this vulnerability to disrupt Bluetooth functionality or execute arbitrary code with kernel privileges. However, the impact and attack plausibility have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No workaround has been provided for this vulnerability.

Conclusion

The Bluetooth btmtksdio package in the Linux Kernel is vulnerable to a kernel oops in the btmtksdio_interrupt function. This vulnerability can potentially lead to system instability or crashes. It is recommended to update the Linux Kernel to version v5.4.189 or later to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.

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