Critical Vulnerability in Linux Package: CVE-2026-72239

linux Updated 22 Oct 2026

Summary

15/08/2026
N/A
Yes i
Unrated
Not published

DEBIAN-CVE-2026-72239: ... Affects linux versions < 7.1.5-1. Fixed in 7.1.5-1. 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 Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

Background

The Linux package is a core component of the Debian operating system, providing essential functionalities for system operations and hardware management. It is widely used across various distributions and is known for its stability and performance. However, vulnerabilities in the Linux kernel can lead to severe security risks, affecting system integrity and user data.

Vulnerability Detail

CVE-2026-72239 is a vulnerability identified in the Linux package that could potentially allow unauthorized access or manipulation of system resources. This vulnerability originates from a flaw in the kernel's handling of specific operations, which could be exploited by attackers to gain elevated privileges. The ramifications of this vulnerability include the potential for data breaches, system crashes, and unauthorized control over affected systems, making it critical for users to address this issue promptly.

How To Fix

Minimum fixed version

7.1.5-1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade linux

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Workaround

As a temporary workaround, users can limit access to sensitive system resources or disable specific functionalities that may be exploited until the package is updated. However, this is not a permanent solution and should be followed by an update as soon as possible.

Conclusion

CVE-2026-72239 represents a significant security risk for users of the Linux package in Debian. It is crucial to update to the patched version 7.1.5-1 to mitigate potential threats. Users are encouraged to monitor their systems for vulnerabilities using tools like Vulert, which can provide real-time alerts based on manifest files.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-72239 is a security vulnerability in the Linux package that could allow unauthorized access to system resources.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

The risks include potential data breaches, unauthorized control over systems, and system crashes, which can severely impact users and organizations.

Yes, the patched version of the Linux package is 7.1.5-1, which addresses the vulnerability.

If immediate updates are not possible, consider implementing temporary workarounds such as limiting access to sensitive resources until the update can be applied.

Related vulnerabilities

Recent vulnerabilities recorded for linux.

Sponsored Lume, the Habilume companion Habilume Habit tracker with a companion that grows with you Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent. App Store Google Play

How To Fix

Minimum fixed version

7.1.5-1

This is the first release that contains the fix.

sudo apt-get install --only-upgrade linux

Tip — Not sure which version your app runs? Vulert can match this fix to it. 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