ocfs2: Fix Data Corruption After Conversion from Inline Format

Kernel Updated 02 Oct 2025

Summary

14/11/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

UVI-2021-1001937: ocfs2: fix data corruption after conversion from inline format. Affects Kernel versions >= acef5107e2eacb08a16ad5db60320d65bd26a6c0, < 560edd14de2bf9dbc0129681eeb4d5ef87cc105f. No fix is published. How to fix ↓

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Background

The ocfs2 package is a component of the Linux Kernel ecosystem. It provides a file system implementation for the Oracle Cluster File System 2 (OCFS2). OCFS2 is a shared-disk file system designed for use with Oracle Database installations on a cluster. It allows multiple nodes to access the same storage simultaneously, providing high availability and scalability.

The vulnerability in ocfs2 arises after the conversion from inline format. The inline format is used to store small files directly within the metadata of the file system, eliminating the need for separate data blocks. However, during the conversion process, data corruption can occur, leading to potential issues with file integrity and data consistency.

Vulnerability Detail

The vulnerability in ocfs2 occurs when converting from the inline format. This can result in data corruption, impacting the integrity and consistency of files stored within the file system. The corruption can lead to various issues, including data loss, file system errors, and potential security vulnerabilities.

The vulnerability was introduced in Linux Kernel version v4.9.242 by commit acef5107e2eacb08a16ad5db60320d65bd26a6c0. It has been fixed in version v4.9.288 by commit 560edd14de2bf9dbc0129681eeb4d5ef87cc105f.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The ocfs2 package in the Linux Kernel is vulnerable to data corruption after conversion from the inline format. This vulnerability can lead to data loss, file system errors, and potential security vulnerabilities. To mitigate the issue, it is recommended to update the Linux Kernel to version v4.9.288 or later, which includes the necessary fix commit (560edd14de2bf9dbc0129681eeb4d5ef87cc105f). For further support on vulnerability remediation, please contact DevNack.com.

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