Fix trigger reference counting in iio: mma8452
Summary
GSD-2021-1002431: iio: mma8452: Fix trigger reference couting. Affects Kernel versions >= ae6d9ce05691bf79694074db7c7da980080548af, < f5deab10ced368c807866283f8b79144c4823be8. No fix is published. How to fix ↓
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Background
The iio: mma8452 is a driver in the Linux Kernel that provides support for the MMA8452 accelerometer sensor. This sensor is commonly used in various devices to measure acceleration. The driver allows applications to access and utilize the sensor data. However, a vulnerability has been identified in the trigger reference counting mechanism of the driver.
Vulnerability Detail
The vulnerability in the iio: mma8452 driver arises from a flaw in the trigger reference counting implementation. This flaw can lead to a reference count leak, potentially causing memory corruption or resource exhaustion. An attacker could exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial of service. The vulnerability was introduced in version v4.2 of the Linux Kernel and has been fixed in version v4.19.221.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The iio: mma8452 driver in the Linux Kernel is vulnerable to a trigger reference counting issue. This vulnerability could lead to memory corruption, resource exhaustion, or arbitrary code execution. It is crucial to update the Linux Kernel to version v4.19.221 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability could potentially allow an attacker to execute arbitrary code, escalate privileges, or cause a denial of service.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
There are no known exploits for this vulnerability at the moment. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry with ID GSD-2021-1002431.
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