ASoC Codecs rx-macro: Accessing Compander for Aux Vulnerability
Summary
GSD-2022-1001571: ASoC: codecs: rx-macro: fix accessing compander for aux. Affects Kernel versions >= 4f692926f562ff48abfcca6b16f36ff8d57473b6, < 87a2b44cb3005d30c3a72234d1e47b03ae3bb29a. No fix is published. How to fix ↓
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Background
The ASoC (Audio System on Chip) framework in the Linux Kernel provides support for audio drivers and codecs. The rx-macro codec is responsible for audio playback. It includes a compander component that adjusts the dynamic range of the audio signal. However, a vulnerability has been discovered in the rx-macro codec that allows unauthorized access to the compander for the auxiliary audio channel.
Vulnerability Detail
The vulnerability in the ASoC rx-macro codec allows an attacker to access the compander for the auxiliary audio channel without proper authorization. This unauthorized access could potentially lead to various security issues, such as audio signal manipulation, denial of service, or even remote code execution. The vulnerability was introduced in Linux Kernel version v5.12 and has been fixed in version v5.16.19.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is crucial to update the Linux Kernel to the fixed version to mitigate the risk of unauthorized access to the compander for the auxiliary audio channel.
Conclusion
The ASoC rx-macro codec vulnerability allows unauthorized access to the compander for the auxiliary audio channel, posing potential security risks. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v5.16.19 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The ASoC (Audio System on Chip) framework is a part of the Linux Kernel that provides support for audio drivers and codecs. It enables audio functionality on various hardware platforms.
The rx-macro codec is responsible for audio playback in the ASoC framework. It includes a compander component that adjusts the dynamic range of the audio signal.
The vulnerability allows unauthorized access to the compander for the auxiliary audio channel. This can lead to security issues such as audio signal manipulation, denial of service, or remote code execution.
The vulnerability was introduced in Linux Kernel version v5.12 and is fixed in version v5.16.19.
No, there is no known workaround for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
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