Vulnerability in ASoC: cs35l41 - Out-of-Bounds Access in otp_packed_element_t
Summary
GSD-2022-1003143: ASoC: cs35l41: Fix an out-of-bounds access in otp_packed_element_t. Affects Kernel versions >= 6450ef55905688602175fae4ed1bfbfef6a14dde, < dbc35268e14d5d89c7a9db72009ad4dcd9ede646. 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 hardware components, including codecs, amplifiers, and digital signal processors. The cs35l41 module within ASoC is responsible for managing the CS35L41 audio codec. This codec is commonly used in mobile devices and provides features such as audio playback, voice recognition, and noise cancellation.
Vulnerability Detail
The identified vulnerability in the cs35l41 module is an out-of-bounds access issue within the otp_packed_element_t structure. This vulnerability allows an attacker to access memory beyond the bounds of the structure, potentially leading to information disclosure or arbitrary code execution. The vulnerability was introduced in version v5.16 of the Linux Kernel and has been fixed in version v5.17.14. 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 known workaround for this vulnerability. It is essential to apply the fix mentioned in the 'how_to_fix' section to ensure the security of the system.
Conclusion
The ASoC cs35l41 module in the Linux Kernel is vulnerable to an out-of-bounds access issue. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v5.17.14 or later. No workaround is available, and it is recommended to apply the fix promptly. 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.
cs35l41 is an audio codec module within ASoC that manages the CS35L41 audio codec commonly used in mobile devices.
The impact of this vulnerability is not yet proven. However, it could potentially lead to information disclosure or arbitrary code execution.
To fix this vulnerability, update the Linux Kernel to version v5.17.14 or later.
No, there is no known workaround for this vulnerability. Applying the fix is necessary.
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