Vulnerability in Kernel package: iio: mma8452: Fix trigger reference counting

Kernel Updated 02 Oct 2025

Summary

19/12/2021
N/A
No i
Unrated
Not published

GSD-2021-1002607: iio: mma8452: Fix trigger reference couting. Affects Kernel versions >= ae6d9ce05691bf79694074db7c7da980080548af, < c43517071dfc9fce34f8f69dbb98a86017f6b739. No fix is published. How to fix ↓

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Background

The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functionality. It provides an interface between the hardware and software layers, allowing applications to communicate with the underlying hardware devices. The iio: mma8452 module within the Kernel package specifically handles the communication with the MMA8452 accelerometer sensor. This sensor is commonly used in various devices to detect motion and orientation changes. However, a vulnerability has been discovered in the trigger reference counting mechanism of the iio: mma8452 module, which could potentially lead to security issues.

Vulnerability Detail

The vulnerability in the iio: mma8452 module arises from a flaw in the trigger reference counting implementation. This flaw could be exploited by an attacker to manipulate the reference count of a trigger, leading to various security risks. The exact impact and attack vectors are yet to be proven, but if successfully exploited, an attacker could potentially gain unauthorized access, execute arbitrary code, or cause a denial-of-service condition. The vulnerability was introduced in version v4.2 of the Linux Kernel and has been fixed in version v5.15.8 by commit c43517071dfc9fce34f8f69dbb98a86017f6b739.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

In conclusion, a vulnerability has been identified in the Kernel package's iio: mma8452 module, which could lead to security risks if successfully exploited. It is crucial to update the Linux Kernel package to version v5.15.8 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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FAQ

The exact impact of this vulnerability is yet to be proven. However, if successfully exploited, it could lead to unauthorized access, arbitrary code execution, or denial-of-service.

You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will provide real-time alerts for open-source vulnerabilities.

No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel package to the fixed version.

The vulnerability was introduced in version v4.2 of the Linux Kernel. All versions between v4.2 and v5.15.7 are potentially affected.

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How To Fix

No fixed version is published for this vulnerability.

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