Vulnerability in Kernel: net: dsa: lantiq_gswip: don't use devres for mdiobus
Summary
GSD-2022-1000371: net: dsa: lantiq_gswip: don't use devres for mdiobus. Affects Kernel versions >= ac3a68d56651c3dad2c12c7afce065fe15267f44, < e177d2e85ebcd3008c4b2abc293f4118e04eedef. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages communication between hardware and software. It provides essential functions and services to ensure the proper functioning of the system. The specific vulnerability affects the net subsystem, more specifically the dsa (Distributed Switch Architecture) module, and the lantiq_gswip driver. This driver is responsible for managing the Lantiq GSWIP Ethernet switch found in certain hardware devices. The vulnerability arises from the improper use of devres for mdiobus, which can lead to security issues.
Vulnerability Detail
The vulnerability in the lantiq_gswip driver within the Kernel arises from the incorrect use of devres for mdiobus. This can potentially result in security vulnerabilities, although the exact impact and attack plausibility have not been proven. The vulnerability was introduced in version v5.9 of the Linux Kernel by commit ac3a68d56651c3dad2c12c7afce065fe15267f44. However, it has been fixed in version v5.10.101 by commit e177d2e85ebcd3008c4b2abc293f4118e04eedef. It is crucial to update to the fixed version to mitigate the vulnerability.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in the Kernel's lantiq_gswip driver can potentially introduce security vulnerabilities in systems utilizing the affected version. It is crucial to update the Kernel to version v5.10.101 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, you can contact DevNack.com.
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FAQ
The exact impact of this vulnerability is not yet proven. However, it has the potential to introduce security vulnerabilities in systems utilizing the affected Kernel version and the lantiq_gswip driver.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time monitoring and alerts for open-source vulnerabilities, including this one.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Kernel to the fixed version as soon as possible.
The remote exploitability of this vulnerability has not been determined. However, it is important to apply the fix to ensure the security of the system.
For more information about this vulnerability, you can refer to the vulnerability database entry at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1000xxx/GSD-2022-1000371.json
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