Vulnerability in Kernel: ASoC: mediatek: Fix error handling in mt8173_max98090_dev_probe
Summary
GSD-2022-1003438: ASoC: mediatek: Fix error handling in mt8173_max98090_dev_probe. Affects Kernel versions >= 94319ba10ecabc8f28129566d1f5793e3e7a0a79, < 48889eb3cce91d7f58e02bc07277b7f724b7a54a. 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 functions and services to enable the proper functioning of the system. ASoC (Audio System on Chip) is a subsystem within the Kernel that handles audio-related functionalities. The mediatek driver in the Kernel is responsible for supporting MediaTek audio devices. One of the components in this driver, mt8173_max98090_dev_probe, is susceptible to an error handling issue.
Vulnerability Detail
The vulnerability in mt8173_max98090_dev_probe arises from improper error handling. When an error occurs during the probe function, the driver fails to handle it correctly, leading to potential issues. An attacker could exploit this vulnerability to cause a denial-of-service (DoS) condition or potentially execute arbitrary code with elevated privileges. The vulnerability was introduced in Linux Kernel version v4.2 and has been fixed in version v5.15.46.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the latest version of the Linux Kernel, there is no specific workaround available. It is advised to update the Kernel to the latest version to mitigate the vulnerability.
Conclusion
The vulnerability in mt8173_max98090_dev_probe of the mediatek driver in the Kernel could allow an attacker to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges. It is crucial to update the Linux Kernel to version v5.15.46 or later to fix this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The vulnerability could potentially allow an attacker to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges.
You can use Vulert's playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
Yes, the vulnerability has been fixed in Linux Kernel version v5.15.46. It is recommended to update the Kernel to this version or later to mitigate the vulnerability.
The exact attack vector for this vulnerability is not specified in the provided information. However, as it involves a driver in the Kernel, it is possible that remote exploitation may be feasible under certain conditions.
There is no information available regarding known instances of this vulnerability being exploited. However, it is always advisable to apply security patches and updates promptly to mitigate potential risks.
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