ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx() - Kernel
Summary
GSD-2022-1000089: ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx(). Affects Kernel versions < 9e5c40b5706d8aae2cf70bd7e01f0b4575a642d0. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system. One of the components within the Kernel is the ASoC (Audio System on Chip) framework, which handles audio-related operations. The vulnerability in question affects the ASoC ops (operations) module, specifically the snd_soc_put_volsw_sx() function.
Vulnerability Detail
The vulnerability in snd_soc_put_volsw_sx() allows for the acceptance of out-of-bounds values, which can lead to potential security risks. This vulnerability could be exploited by an attacker to manipulate audio settings and potentially gain unauthorized access or perform malicious activities. The vulnerability has been identified and fixed in Linux Kernel version v4.9.300 by commit 9e5c40b5706d8aae2cf70bd7e01f0b4575a642d0.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can disable or restrict access to the affected audio functionality until the Kernel update is applied. This can be achieved by modifying the system configuration or disabling relevant audio modules. However, it is crucial to note that workarounds may limit audio functionality and should only be considered as a temporary measure.
Conclusion
The vulnerability in the ASoC ops module of the Kernel, specifically in the snd_soc_put_volsw_sx() function, allows for the acceptance of out-of-bounds values. This can potentially lead to unauthorized access and manipulation of audio settings. It is crucial to update the Kernel to version v4.9.300 or later to mitigate this vulnerability. Users can also utilize the Vulert Playground at https://vulert.com/scanner to check if their system is affected and receive real-time vulnerability alerts. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows for potential unauthorized access and manipulation of audio settings, which can lead to security breaches and malicious activities.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) and Vulert will provide real-time alerts for open-source vulnerabilities, including this one.
At the time of this report, there is no known public exploit for this vulnerability. However, it is crucial to apply the recommended fix to mitigate any potential risks.
As a temporary measure, you can disable or restrict access to the affected audio functionality. However, it is highly recommended to update the Kernel to the fixed version as soon as possible.
You can refer to the official Linux Kernel repository at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ for more details about the fix. The vulnerability details can be found in the GSD-2022-1000089.json file in the GSD database repository at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1000xxx/GSD-2022-1000089.json.
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