ovl: Fix warning in ovl_create_real() in Kernel

Kernel Updated 02 Oct 2025

Summary

27/12/2021
N/A
No i
Unrated
Not published

GSD-2021-1002660: ovl: fix warning in ovl_create_real(). Affects Kernel versions < 445d2dc63e5871d218f21b8f62ab29ac72f2e6b8. 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

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.

Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The Kernel is a fundamental component of the Linux operating system that manages core system functions. It provides an interface between the hardware and software layers, allowing applications to access system resources. The ovl_create_real() function is part of the OverlayFS (ovl) filesystem, which allows multiple filesystems to be layered on top of each other. This function is responsible for creating a new file in the OverlayFS. However, there is a warning in the implementation of ovl_create_real() that needs to be addressed.

Vulnerability Detail

The vulnerability in ovl_create_real() can lead to potential security issues. Although the impact and attack plausibility have not been proven, it is essential to fix the warning to ensure the stability and security of the Kernel. The warning may indicate a potential flaw or vulnerability that could be exploited by attackers. Therefore, it is crucial to address this warning to prevent any potential security breaches.

How To Fix

No fixed version is published for this vulnerability.

To fix the warning in ovl_create_real(), the Linux Kernel developers have released a patch in version v4.19.222. The patch can be obtained from the official Linux Kernel repository. Developers and system administrators should update their Kernel to the latest version that includes the fix. By applying the patch, the warning in ovl_create_real() will be resolved, ensuring the stability and security of the Kernel.

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

Conclusion

The warning in ovl_create_real() in the Kernel should be addressed to ensure the stability and security of the system. By updating the Kernel to version v4.19.222 or later, which includes the necessary patch, the warning can be resolved. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for Kernel →

Share this vulnerability

FAQ

The Kernel is a fundamental component of the Linux operating system that manages core system functions.

ovl_create_real() is a function in the OverlayFS (ovl) filesystem that is responsible for creating a new file.

The impact of the warning is currently unknown, but it indicates a potential flaw or vulnerability that could be exploited by attackers.

To fix the warning, update your Linux Kernel to version v4.19.222 or later, which includes the necessary patch.

No, there is no mentioned workaround for this vulnerability. Updating the Kernel to the patched version is the recommended solution.

Related vulnerabilities

Recent vulnerabilities recorded for Kernel.

How To Fix

No fixed version is published for this vulnerability.

To fix the warning in ovl_create_real(), the Linux Kernel developers have released a patch in version v4.19.222. The patch can be obtained from the official Linux Kernel repository. Developers and system administrators should update their Kernel to the latest version that includes the fix. By applying the patch, the warning in ovl_create_real() will be resolved, ensuring the stability and security of the Kernel.

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

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback

Follow Vulert in Google

Get more Vulert vulnerability and dependency-security updates in Google Search and AI results.