Vulnerability in Kernel: mm/pages_alloc.c

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-2022-1002371: mm/pages_alloc.c: don't create ZONE_MOVABLE beyond the end of a node. Affects Kernel versions >= 2a1e274acf0b1c192face19a4be7c12d4503eaaf, < 956bb109613ad29d083eccbac17b5575bb972b0f. 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 system resources and facilitates communication between hardware and software. It provides essential functionalities such as memory management, process scheduling, and device drivers. The vulnerability in the mm/pages_alloc.c file affects the Kernel's ability to create ZONE_MOVABLE beyond the end of a node.

Vulnerability Detail

The vulnerability arises from a flaw in the mm/pages_alloc.c file, which allows the creation of ZONE_MOVABLE beyond the end of a node. This issue can potentially be exploited by attackers to gain unauthorized access or execute arbitrary code on the affected system. The impact and attack plausibility of this vulnerability have not been proven yet. It was introduced in version v2.6.23 of the Linux Kernel and has been fixed in version v4.19.238 by commit 956bb109613ad29d083eccbac17b5575bb972b0f.

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 v4.19.238 or later. This can be done by downloading the latest stable version from the official Linux Kernel repository and following the installation instructions provided. Additionally, it is advisable to regularly update the Kernel to ensure the latest security patches are applied.

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Conclusion

In conclusion, the vulnerability in the Kernel's mm/pages_alloc.c file could potentially lead to unauthorized access or arbitrary code execution. It is crucial to update the Linux Kernel to version v4.19.238 or later to mitigate this risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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