Vulnerability in f2fs Package: Sanity Check on total_data_blocks

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1002611: f2fs: fix to do sanity check on total_data_blocks. Affects Kernel versions < cc8c9df19971e59ebbe669ce710080e347dfec32. No fix is published. How to fix ↓

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Background

The f2fs package is a file system designed for flash-based storage devices in the Linux Kernel. It provides efficient management of data blocks and is widely used in various devices. However, a vulnerability has been discovered in the package that affects the sanity check on total_data_blocks.

Vulnerability Detail

The vulnerability in the f2fs package allows for potential security risks due to a lack of proper sanity checks on total_data_blocks. Attackers may exploit this vulnerability to manipulate or corrupt data blocks, leading to data loss, system crashes, or unauthorized access. The impact and attack plausibility of this vulnerability have not been proven yet.

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.

Conclusion

The f2fs package in the Linux Kernel is vulnerable to a lack of sanity check on total_data_blocks. To mitigate this vulnerability, it is crucial to update the kernel to version v5.18.3 or later. For further support on vulnerability remediation, please contact DevNack.com.

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