Vulnerability in Kernel package: ipack: ipoctal: fix module reference leak

Kernel Updated 02 Oct 2025

Summary

19/10/2021
N/A
No i
Unrated
Not published

UVI-2021-1001530: ipack: ipoctal: fix module reference leak. Affects Kernel versions >= 82a82340bab6c251e0705339f60763718eaa2a22, < dde4c1429b97383689f755ce92b4ed1e84a9c92b. No fix is published. How to fix ↓

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Background

The Kernel package is a fundamental component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware, software, and user applications. The ipack module within the Kernel package is specifically designed to handle input/output operations for octal devices. However, a vulnerability has been identified in the ipoctal module, which leads to a module reference leak.

Vulnerability Detail

The vulnerability in the ipoctal module of the Kernel package allows for a module reference leak. This means that when the module is loaded and unloaded multiple times, it fails to release the module reference properly. As a result, the module reference count keeps increasing, leading to a resource leak. While the exact impact and attack plausibility have not been proven, this vulnerability could potentially be exploited to exhaust system resources and cause a denial-of-service (DoS) condition.

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 package to the recommended version.

Conclusion

In conclusion, the Kernel package's ipoctal module is vulnerable to a module reference leak. This vulnerability can be mitigated by updating the Kernel package to version v4.14.249 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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FAQ

The Kernel package is a core component of the Linux operating system, responsible for managing the system's core functionality.

The ipoctal module is a part of the Kernel package and is designed to handle input/output operations for octal devices.

A module reference leak occurs when a module fails to release its reference properly, leading to a resource leak.

The vulnerability could potentially be exploited to exhaust system resources and cause a denial-of-service (DoS) condition.

To fix this vulnerability, update the Linux Kernel package to version v4.14.249 or later.

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How To Fix

No fixed version is published for this vulnerability.

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