Vulnerability in Kernel: ASoC: mediatek: Fix error handling in mt8183_da7219_max98357_dev_probe
Summary
GSD-2022-1001129: ASoC: mediatek: Fix error handling in mt8183_da7219_max98357_dev_probe. Affects Kernel versions < 9b9f6227e8d0c7c46b6d9d7b8a5c4e0536049fcf. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Kernel is a crucial component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential functionalities for device drivers, file systems, and process management. ASoC (Audio System on Chip) is a subsystem within the Kernel that handles audio-related functionalities, including audio codec drivers. The mediatek driver in ASoC is specifically designed for MediaTek SoCs (System on Chips). The mt8183_da7219_max98357_dev_probe function in this driver is responsible for initializing and configuring the DA7219 and MAX98357 audio codecs on the MediaTek MT8183 platform.
Vulnerability Detail
The vulnerability identified in the mt8183_da7219_max98357_dev_probe function can lead to error handling issues. If an error occurs during the initialization or configuration process of the DA7219 or MAX98357 audio codecs, the driver fails to handle the error properly, potentially resulting in system instability or crashes. An attacker with local access to the affected system could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, users can disable or remove the affected audio codecs from the system. This can be achieved by modifying the device tree configuration or disabling the corresponding kernel modules. However, this workaround may result in the loss of audio functionality for the affected codecs.
Conclusion
The vulnerability in the mt8183_da7219_max98357_dev_probe function of the mediatek ASoC driver can lead to error handling issues, potentially resulting in system instability or crashes. It is recommended to update the Linux Kernel to version v5.17.2 or later to address this vulnerability. Users can also check if their application is affected using the Vulert playground (https://vulert.com/scanner) without requiring access to the code or installation. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The vulnerability can potentially lead to system instability, crashes, denial-of-service (DoS) conditions, or arbitrary code execution with elevated privileges.
Any system running the Linux Kernel with the mediatek ASoC driver and utilizing the mt8183_da7219_max98357_dev_probe function is potentially affected.
At the time of this report, there are no known public exploits specifically targeting this vulnerability. However, it is advisable to apply the recommended fix as soon as possible to mitigate any potential risks.
No, this vulnerability requires local access to the affected system in order to exploit it.
For more details about this vulnerability, including the specific code changes and the commit that fixed it, please refer to the provided references link.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
