Use After Free Vulnerability in Kernel

Kernel Updated 02 Oct 2025

Summary

03/08/2021
N/A
No i
Unrated
Not published

GSD-2021-1001482: misc/libmasm/module: Fix two use after free in ibmasm_init_one. Affects Kernel versions < 1512e7dc5eb08b7d92a12e2bfcd9cb8c4a1ec069. No fix is published. How to fix ↓

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Background

The Kernel is a crucial component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functionalities such as process management, memory management, and device drivers. The vulnerability in question is related to the 'misc/libmasm/module' module within the Kernel.

Vulnerability Detail

The 'misc/libmasm/module' module in the Kernel is susceptible to a use after free vulnerability in the 'ibmasm_init_one' function. This vulnerability allows an attacker to exploit a freed memory region, leading to potential memory corruption or arbitrary code execution. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability has been addressed in the Linux Kernel version v4.4.276 through commit 1512e7dc5eb08b7d92a12e2bfcd9cb8c4a1ec069.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The use after free vulnerability in the 'misc/libmasm/module' module of the Linux Kernel has been addressed in version v4.4.276. It is crucial to update the Kernel to the fixed version to mitigate the risk of potential memory corruption or arbitrary code execution. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

The impact of this vulnerability could potentially lead to memory corruption or arbitrary code execution, depending on how it is exploited.

No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.

The vulnerability is present in versions of the Linux Kernel prior to v4.4.276.

There is no information available regarding exploitation of this vulnerability in real-world scenarios.

You can refer to the source link provided in the database specific section of the vulnerability details for more information.

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How To Fix

No fixed version is published for this vulnerability.

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