Critical Vulnerability in Linux Package Affecting Debian 12, 13, and 14

linux Updated 22 Oct 2026

Summary

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

DEBIAN-CVE-2026-31704: ... Affects linux versions 6.1.106-1 – 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 MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The Linux package is a core component of the Debian operating system, providing essential functionalities for system operations, hardware management, and user interactions. It is widely used across various environments, making it a critical element for stability and security. This vulnerability affects multiple versions of the Linux package in Debian, potentially exposing systems to various security risks.

Vulnerability Detail

CVE-2026-31704 is a vulnerability identified in the Linux package, which allows unauthorized access or manipulation of system resources. The vulnerability originates from improper handling of certain system calls, which could lead to privilege escalation or denial of service. If exploited, attackers could gain elevated privileges, potentially compromising 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 a temporary workaround, users can restrict access to sensitive system calls or apply security policies that limit the execution of potentially harmful operations until the package is updated.

Conclusion

CVE-2026-31704 represents a significant security risk for users of the Linux package in Debian. It is crucial for users to update their systems to the patched version to mitigate potential threats. Utilizing tools like Vulert can help in monitoring vulnerabilities effectively.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-31704 is a critical vulnerability in the Linux package affecting Debian systems, allowing for 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 without any signup.

Exploitation of this vulnerability could lead to unauthorized access, privilege escalation, and potentially complete system compromise.

Yes, a patched version is available for Debian 13 (6.12.85-1). Users of Debian 12 and 14 should look for updates as they are released.

If an immediate update is not possible, consider implementing security policies to limit access to vulnerable system calls as a temporary measure.

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