ocfs2: Fix Data Corruption by fallocate in Kernel

Kernel Updated 02 Oct 2025

Summary

24/06/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

UVI-2021-1000733: ocfs2: fix data corruption by fallocate. Affects Kernel versions < a1700479524bb9cb5e8ae720236a6fabd003acae. No fix is published. How to fix ↓

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Background

The ocfs2 package is a component of the Linux Kernel ecosystem. It is responsible for providing the OCFS2 file system, which is a shared-disk file system specifically designed for Oracle databases. OCFS2 allows multiple nodes to access the same storage concurrently, enabling high availability and scalability for Oracle database deployments. However, a vulnerability has been discovered in ocfs2 related to the fallocate function, which can lead to data corruption.

Vulnerability Detail

The vulnerability in ocfs2 is related to the fallocate function. When this function is used in certain scenarios, it can result in data corruption. The exact origin and cause of the vulnerability have not been specified in the provided information. However, it is important to note that the impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability has been fixed in Linux Kernel version v4.14.236 by commit a1700479524bb9cb5e8ae720236a6fabd003acae.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No workaround has been mentioned in the provided information.

Conclusion

The ocfs2 package in the Linux Kernel is vulnerable to data corruption when using the fallocate function. It is recommended to update the kernel to version v4.14.236 or later to fix the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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