Vulnerability in Kernel: phy-mtk-tphy
Summary
GSD-2021-1001074: phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init(). Affects Kernel versions < 6472955af5e88b5489b6d78316082ad56ea3e489. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. The phy-mtk-tphy module is responsible for managing the physical layer of the MediaTek USB3 controller. It handles the initialization and configuration of the controller's PHY (Physical Layer) settings. This vulnerability in mtk_phy_init() function can lead to resource leaks, potentially causing memory or resource exhaustion.
Vulnerability Detail
The vulnerability in phy-mtk-tphy's mtk_phy_init() function allows for resource leaks, which can result in memory or resource exhaustion. An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges. 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 specific workaround mentioned for this vulnerability. It is advised to apply the recommended fix by updating the Linux Kernel to the patched version.
Conclusion
The vulnerability in Kernel's phy-mtk-tphy module can lead to resource leaks, potentially causing memory or resource exhaustion. It is crucial to update the Linux Kernel to version v5.12.13 or later to address this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
This vulnerability can potentially lead to resource leaks, which may result in memory or resource exhaustion. It could be exploited by an attacker to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges.
You can use Vulert 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.
As of now, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate the risk of potential exploitation.
If you cannot immediately update the Kernel, it is recommended to follow general security best practices such as restricting access to vulnerable systems, implementing network segmentation, and monitoring for any suspicious activity.
You can refer to the vulnerability details in the GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001074.json
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