f2fs: Fix Compressed File Start Atomic Write Data Corruption

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-2022-1001886: f2fs: fix compressed file start atomic write may cause data corruption. Affects Kernel versions >= 4c8ff7095bef64fc47e996a938f7d57f9e077da3, < 0f42a02e4773efc4f1edf202fc73d0cd14e8fb09. 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 data management and supports various features such as compression. The compressed file start atomic write vulnerability affects versions of the Linux kernel from v5.6 to v5.15.32. This vulnerability can lead to data corruption when performing atomic writes on compressed files.

Vulnerability Detail

The f2fs package in the Linux kernel has a vulnerability that can cause data corruption when starting an atomic write operation on compressed files. This vulnerability was introduced in version v5.6 and fixed in version v5.15.33. An attacker could exploit this vulnerability to manipulate the data being written, potentially leading to data corruption or unauthorized modifications.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, users should update their Linux kernel to version v5.15.33 or later. This can be done by downloading the latest kernel source code from the official Linux kernel repository (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/) and compiling it according to the provided instructions.

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Workaround

There is no known workaround for this vulnerability. It is recommended to update to the latest version of the Linux kernel as soon as possible.

Conclusion

The f2fs package in the Linux kernel has a vulnerability that can cause data corruption when starting an atomic write operation on compressed files. It is crucial to update to the latest version of the Linux kernel (v5.15.33 or later) to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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