Fix errorenous cleanup order in ASoC: rt5645
Summary
GSD-2022-1003989: ASoC: rt5645: Fix errorenous cleanup order. Affects Kernel versions < 236d29c5857f02e0a53fdf15d3dce1536c4322ce. No fix is published. How to fix ↓
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Background
The ASoC (Audio System on Chip) framework in the Linux Kernel is responsible for managing audio devices on embedded systems. One of the supported codecs is the rt5645, which is commonly found in various devices. The rt5645 codec provides audio functionalities such as playback, recording, and audio processing. However, a vulnerability has been identified in the rt5645 codec that affects the cleanup order, leading to potential security issues.
Vulnerability Detail
The vulnerability in the rt5645 codec arises from an erroneous cleanup order. When the codec is being initialized or released, certain resources are not properly cleaned up in the correct order. This can result in memory leaks or other resource-related issues. An attacker with local access to the affected system could potentially exploit this vulnerability to gain elevated privileges 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 ASoC rt5645 codec has been identified and fixed in the Linux Kernel version v4.14.283. Users are advised to update their Linux Kernel to the fixed version or later to mitigate the potential security risks associated with this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
ASoC stands for Audio System on Chip. It is a framework in the Linux Kernel that handles audio devices on embedded systems.
The rt5645 codec is a commonly used audio codec found in various devices. It provides audio functionalities such as playback, recording, and audio processing.
The impact of this vulnerability is not yet proven. However, it could potentially allow an attacker with local access to gain elevated privileges or cause a denial-of-service condition.
To fix this vulnerability, update the Linux Kernel to version v4.14.283 or later. Download the updated kernel source code from the official Linux Kernel repository and compile it for your system.
No specific workaround has been mentioned for this vulnerability.
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