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

linux Updated 22 Oct 2026

Summary

06/05/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-43185: ... 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 Devnack Your last release was probably never penetration tested Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The Linux package is a core component of the Debian operating system, providing essential functionalities for managing system resources and hardware interactions. It is widely used across various applications and environments, making its security paramount. This vulnerability affects multiple Debian versions, highlighting the need for immediate attention from system administrators and users.

Vulnerability Detail

CVE-2026-43185 is a critical vulnerability that originates from a flaw in the Linux kernel, which could potentially allow unauthorized access or privilege escalation. The implications of this vulnerability are severe, as it may enable attackers to execute arbitrary code, leading to system compromise. The vulnerability affects all versions of the Linux package in Debian, with a specific fix available for Debian 14.

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 limit access to the affected systems and monitor for unusual activities until a patch is applied. Additionally, disabling unnecessary services that rely on the Linux kernel may reduce exposure to potential attacks.

Conclusion

CVE-2026-43185 poses a significant risk to users of the Linux package across multiple Debian versions. It is crucial for users to apply the necessary updates or workarounds to mitigate the risks associated with this vulnerability. Regular monitoring and timely updates are essential for maintaining system security.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-43185 is a critical vulnerability in the Linux kernel affecting multiple Debian versions, allowing potential unauthorized access.

Debian versions 12, 13, and 14 are affected by this vulnerability.

You can use the Vulert platform to check if your application is affected by this vulnerability without requiring code access or installation.

Yes, a patched version (6.19.6-1) is available for Debian 14. Users of Debian 12 and 13 should await further updates.

If immediate updates are not possible, consider implementing workarounds such as limiting access to the system and monitoring for unusual activities.

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