Vulnerability in Kernel: Refcount Leak in ill_acc_of_setup()

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1001719: mips: ralink: fix a refcount leak in ill_acc_of_setup(). Affects Kernel versions < 5fb47ca3490813d3884d8ad0b2ce511aa3537551. 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 functionalities and services to enable the proper functioning of the system. The vulnerability in question affects the Kernel and specifically impacts the MIPS architecture with Ralink chipset. The ill_acc_of_setup() function within the codebase contains a refcount leak, which can lead to potential security risks if exploited by malicious actors.

Vulnerability Detail

The vulnerability arises due to a refcount leak in the ill_acc_of_setup() function within the Kernel's MIPS architecture with Ralink chipset. This leak can result in memory corruption or other security issues if an attacker can trigger the vulnerable code path. The impact and attack plausibility of this vulnerability have not been proven yet. However, it is crucial to address this issue to ensure the overall security and stability of the system.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.34 or later. The fix for this issue was implemented in commit 5fb47ca3490813d3884d8ad0b2ce511aa3537551. Updating to the latest stable version of the Kernel will ensure that the refcount leak in ill_acc_of_setup() is resolved.

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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 recommended version to mitigate the vulnerability.

Conclusion

In conclusion, the vulnerability in the Kernel's MIPS architecture with Ralink chipset, specifically in the ill_acc_of_setup() function, can lead to potential security risks if exploited. It is crucial to update the Linux Kernel to version v5.15.34 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.

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