Critical Vulnerability in Linux Package Across Debian Versions

linux Updated 22 Oct 2026

Summary

01/05/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-31771: ... Affects linux versions 5.10.103-1 – 7.0.3-1. 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 Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

Background

The Linux package is a core component of the Debian operating system, responsible for managing system resources and providing essential services. It is widely used across various Debian distributions, including Debian 11, 12, 13, and 14. This package is crucial for system stability and performance, making it a prime target for vulnerabilities that could compromise system integrity.

Vulnerability Detail

CVE-2026-31771 is a critical vulnerability affecting the Linux package across multiple Debian versions. The vulnerability originates from a flaw in the kernel that could allow an attacker to escalate privileges, potentially leading to unauthorized access and control over the system. The ramifications of this vulnerability are severe, as it could enable malicious actors to execute arbitrary code with elevated privileges, compromising the security of the entire system.

How To Fix

No fixed version is published for this vulnerability.

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

Workaround

As of now, no specific workarounds have been provided for this vulnerability. It is recommended to apply the patch as soon as it becomes available to mitigate risks.

Conclusion

CVE-2026-31771 is a critical vulnerability in the Linux package across multiple Debian versions, posing significant security risks. Users are urged to update their systems promptly to the patched version to safeguard against potential exploits.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-31771 is a critical vulnerability in the Linux package affecting multiple Debian versions, allowing potential privilege escalation.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.

While no specific workarounds are available, it is crucial to prioritize updating the package to mitigate risks associated with this vulnerability.

Yes, CVE-2026-31771 affects Debian versions 11, 12, 13, and 14, with a specific fix available for Debian 14.

If exploited, this vulnerability could allow attackers to gain unauthorized access and control over the system, leading to severe security breaches.

Related vulnerabilities

Recent vulnerabilities recorded for linux.

How To Fix

No fixed version is published for this vulnerability.

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