Vulnerability in ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min
Summary
GSD-2022-1000781: ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min. Affects Kernel versions >= 9e8895f1b3d4433f6d78aa6578e9db61ca6e6830, < 050b1821f27c5d4fd5a298f6e62c3d3c9335e622. No fix is published. How to fix ↓
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Background
The ASoC (Audio System on Chip) package is a component of the Linux Kernel that provides support for audio devices integrated into system-on-chip (SoC) platforms. It enables audio functionality for various devices such as smartphones, tablets, and embedded systems. ASoC includes a set of operations (ops) that handle audio volume control. One of these operations, snd_soc_put_volsw(), is responsible for shifting tested values. However, a vulnerability has been identified in this function that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in snd_soc_put_volsw() arises from the incorrect shifting of tested values by +min. This flaw could be exploited by an attacker to manipulate audio volume control settings and potentially gain unauthorized access or perform other malicious activities. The impact and attack plausibility of this vulnerability have not been proven yet, but it is crucial to address it to prevent any potential security breaches.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability. It is advised to follow the recommended fix and update the Linux Kernel to the latest version.
Conclusion
In conclusion, a vulnerability has been identified in the ASoC package's snd_soc_put_volsw() operation. This vulnerability could potentially allow unauthorized access or other malicious activities. It is crucial to update the Linux Kernel to version v5.15.27 or later to mitigate this security risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
ASoC (Audio System on Chip) is a component of the Linux Kernel that provides support for audio devices integrated into system-on-chip (SoC) platforms. It enables audio functionality for various devices such as smartphones, tablets, and embedded systems.
snd_soc_put_volsw() is an operation (ops) in the ASoC package that handles audio volume control. It is responsible for shifting tested values.
The impact of this vulnerability is not yet proven. However, it could potentially allow an attacker to manipulate audio volume control settings and gain unauthorized access or perform other malicious activities.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.27 or later. This fix was implemented in commit 050b1821f27c5d4fd5a298f6e62c3d3c9335e622.
No specific workaround has been provided for this vulnerability. It is advised to follow the recommended fix and update the Linux Kernel to the latest version.
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