Critical Vulnerability in Linux Package: CVE-2026-45886

linux Updated 22 Oct 2026

Summary

27/05/2026
N/A
Yes i
Unrated
Not published

DEBIAN-CVE-2026-45886: ... Affects linux versions < 6.1.170-1. Fixed in 6.1.170-1. 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 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 Linux package is a core component of the Debian operating system, providing essential functionalities for managing system resources and hardware interactions. It serves as the foundation for various applications and services running on Debian distributions. The package is known for its stability, performance, and security features, but like any software, it can be susceptible to vulnerabilities that may compromise system integrity.

Vulnerability Detail

CVE-2026-45886 is a critical vulnerability identified in the Linux package across multiple Debian distributions. This vulnerability arises from improper handling of certain system calls, which could allow an attacker to execute arbitrary code with elevated privileges. The ramifications of this vulnerability are severe, as it could lead to unauthorized access, data breaches, and potential system compromise. It is crucial for users to understand the technical aspects of this vulnerability to mitigate risks effectively.

How To Fix

Minimum fixed version

6.1.170-1

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 of now, there are no specific workarounds mentioned for this vulnerability. Users are advised to apply the patch as soon as it becomes available to mitigate risks.

Conclusion

CVE-2026-45886 is a critical vulnerability in the Linux package affecting multiple Debian distributions. Users are urged to update their systems to the patched versions to mitigate potential risks. Staying informed and utilizing tools like Vulert can help maintain the security of your applications.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-45886 is a critical vulnerability in the Linux package that allows attackers to execute arbitrary code with elevated privileges.

The vulnerability affects Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky).

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

While there are no specific workarounds available, it is recommended to monitor your system closely and apply the patch as soon as possible.

Using Vulert, you can monitor and receive alerts for open-source vulnerabilities in your software by simply using a manifest file like package-lock.json.

Related vulnerabilities

Recent vulnerabilities recorded for linux.

How To Fix

Minimum fixed version

6.1.170-1

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