Vulnerability in Kernel package: iio: mma8452: Fix trigger reference counting
Summary
GSD-2021-1002404: iio: mma8452: Fix trigger reference couting. Affects Kernel versions >= ae6d9ce05691bf79694074db7c7da980080548af, < 794c0898f6bf39a458655d5fb4af70ec43a5cfcb. 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 functions and providing an interface between hardware and software. It includes various subsystems, one of which is the Industrial I/O (IIO) subsystem. The IIO subsystem enables Linux to interact with sensors and other devices. The mma8452 driver is part of the IIO subsystem and is used for the Freescale MMA8452 accelerometer. This vulnerability specifically affects the trigger reference counting mechanism in the mma8452 driver.
Vulnerability Detail
The vulnerability in the mma8452 driver's trigger reference counting can lead to potential security issues. The trigger reference counting is used to manage the lifecycle of triggers, which are responsible for initiating data acquisition from the accelerometer. Due to a flaw in the reference counting implementation, an incorrect reference count can occur, leading to trigger-related issues. An attacker may be able to exploit this vulnerability to manipulate trigger states, potentially causing data corruption or denial of service. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in the Kernel package's mma8452 driver trigger reference counting has the potential to be exploited for security purposes. It is recommended to update the Linux Kernel to version v4.14.258 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing core functions and providing an interface between hardware and software.
The Industrial I/O (IIO) subsystem is a part of the Kernel package that allows Linux to interact with sensors and other devices.
The mma8452 driver is a component of the IIO subsystem and is used for the Freescale MMA8452 accelerometer.
Trigger reference counting is a mechanism used to manage the lifecycle of triggers, which initiate data acquisition from the accelerometer.
The vulnerability in the trigger reference counting can potentially be exploited by an attacker to manipulate trigger states, leading to data corruption or denial of service.
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