ocfs2: Fix Data Corruption After Conversion from Inline Format

Kernel Updated 02 Oct 2025

Summary

28/10/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001820: ocfs2: fix data corruption after conversion from inline format. Affects Kernel versions >= f8a6a2ed4b7d1c3c8631eeb6d00572bc853094a8, < b05caf023b14cbed9223bb5b48ecc7bffe38f632. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

The ocfs2 package is a component of the Linux Kernel ecosystem. It provides support for the Oracle Cluster File System 2 (OCFS2), which is a shared-disk file system designed for use in cluster environments. OCFS2 allows multiple nodes to access and modify the same file system concurrently. It offers features such as high availability, scalability, and data integrity. However, a vulnerability has been discovered in ocfs2 that can lead to data corruption after conversion from inline format.

Vulnerability Detail

The vulnerability in ocfs2 occurs during the conversion process from inline format. When certain conditions are met, data corruption can occur, potentially leading to data loss or incorrect data interpretation. The issue was introduced in version v5.4.75 of the Linux Kernel and has been fixed in version v5.4.156. The specific commit that addresses this vulnerability is b05caf023b14cbed9223bb5b48ecc7bffe38f632. It is important to note that the impact and attack plausibility of this vulnerability have not been proven.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.4.156 or later. This can be done by obtaining the updated 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. Alternatively, users can wait for their Linux distribution to release an updated kernel package that includes the fix.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Conclusion

In conclusion, the ocfs2 package in the Linux Kernel is vulnerable to data corruption after conversion from inline format. It is crucial to update the Linux Kernel to version v5.4.156 or later to mitigate this vulnerability. For further support and assistance with vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →