Vulnerability in Kernel: net: mdio: unexport __init-annotated mdio_bus_init()
Summary
GSD-2022-1002599: net: mdio: unexport __init-annotated mdio_bus_init(). Affects Kernel versions >= 90eff9096c01ba90cdae504a6b95ee87fe2556a3, < f2f0f8c18b60ca64ff50892ed899cf1c77864755. 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 services and manages system resources. The mdio_bus_init() function is responsible for initializing the MDIO (Media Independent Interface) bus, which is used for communication between Ethernet PHYs and Ethernet MACs. This vulnerability in the Kernel affects the mdio_bus_init() function, potentially leading to security issues.
Vulnerability Detail
The vulnerability lies in the unexported __init-annotated mdio_bus_init() function in the Kernel. While the impact and attack plausibility have not been proven, this vulnerability could potentially be exploited by malicious actors. The vulnerability was introduced in Kernel version v4.12 and has been fixed in version v5.18.4. For more technical details, please refer to the references link.
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 fix by updating the Kernel as mentioned above.
Conclusion
In conclusion, this vulnerability in the Kernel's mdio_bus_init() function has the potential to be exploited by malicious actors. It is crucial to update the Linux Kernel to version v5.18.4 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that manages system resources and provides essential services.
The mdio_bus_init() function is responsible for initializing the MDIO bus, which facilitates communication between Ethernet PHYs and Ethernet MACs.
The impact of this vulnerability is not yet proven, but it has the potential to be exploited by malicious actors.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.18.4 or later.
For more technical details, please refer to the references link provided.
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