Vulnerability in Kernel package: iio: mma8452: Fix trigger reference counting
Summary
GSD-2021-1002367: iio: mma8452: Fix trigger reference couting. Affects Kernel versions >= ae6d9ce05691bf79694074db7c7da980080548af, < 094d513b78b1714113bc016684b8142382e071ba. No fix is published. How to fix ↓
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Background
The Kernel package is an essential 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 provides support for devices that interact with the physical world, such as sensors and actuators. The mma8452 driver is part of the IIO subsystem and is responsible for handling the 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 mechanism is used to manage the lifetime of triggers, which are responsible for generating events based on sensor data. Due to a flaw in the implementation, the reference counting can be manipulated, leading to use-after-free or double-free vulnerabilities. An attacker could exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition. 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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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the Kernel package's mma8452 driver trigger reference counting has been identified and fixed in Linux Kernel version v4.4.295. Users are advised to update their Kernel version to v4.4.295 or later to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is an essential component of the Linux operating system, responsible for managing the system's core functions and providing an interface between hardware and software.
The IIO subsystem is a part of the Kernel package that provides support for devices that interact with the physical world, such as sensors and actuators.
The mma8452 driver is a component of the IIO subsystem and is responsible for handling the MMA8452 accelerometer.
Trigger reference counting is a mechanism used to manage the lifetime of triggers in the mma8452 driver. Triggers generate events based on sensor data.
This vulnerability could allow an attacker to execute arbitrary code or cause a denial-of-service condition.
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