Memory Leak Vulnerability in jffs2_scan_medium in Kernel

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-2022-1002372: jffs2: fix memory leak in jffs2_scan_medium. Affects Kernel versions >= e631ddba588783edd521c5a89f7b2902772fb691, < e711913463af916d777a4873068f415f1fe2ad33. No fix is published. How to fix ↓

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Background

The Kernel is a crucial component of the Linux operating system that provides core functionalities and acts as an interface between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the overall stability and security of the system. The jffs2_scan_medium function is responsible for scanning a medium (such as a flash memory device) for JFFS2 file system nodes. This vulnerability specifically affects the jffs2_scan_medium function in the Kernel.

Vulnerability Detail

The jffs2_scan_medium function in the Kernel suffers from a memory leak vulnerability. This vulnerability allows an attacker to cause a memory leak by repeatedly triggering the jffs2_scan_medium function with specially crafted input. A memory leak occurs when a program allocates memory but fails to release it, leading to a gradual depletion of available memory resources. In the case of this vulnerability, an attacker can exploit the memory leak to exhaust system memory, potentially causing system instability or denial of service.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no known workaround for this vulnerability. It is essential to update the Kernel to the fixed version to mitigate the risk of exploitation.

Conclusion

The memory leak vulnerability in the jffs2_scan_medium function of the Kernel can be mitigated by updating to the fixed version of the Linux Kernel. It is crucial to keep the Kernel up to date to ensure system stability and security. For further assistance or support in addressing this vulnerability, please contact DevNack.com.

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