Critical Vulnerability in Linux Package Affecting Debian Versions 11-14

linux Updated 22 Oct 2026

Summary

30/11/-0001
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-23223: ... Affects linux versions 5.10.103-1 – 6.9.9-1. 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 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 system operations, hardware management, and user interactions. It is widely used across various 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-2026-23223 is a critical vulnerability that affects the Linux package across Debian versions 11, 12, 13, and 14. The vulnerability originates from a flaw in the kernel that could allow unauthorized access or control over system resources, potentially leading to data breaches or system compromises. The technical aspects involve improper handling of certain system calls, which could be exploited by attackers to escalate privileges or execute arbitrary code.

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 sensitive system resources and monitor system logs for any unusual activities. Additionally, disabling certain features that rely on the vulnerable components may help reduce exposure until a patch is applied.

Conclusion

CVE-2026-23223 represents a significant security risk for users of the Linux package across multiple Debian versions. It is crucial for system administrators to apply the necessary updates and consider workarounds to protect their systems until a full resolution is implemented.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-23223 is a critical vulnerability in the Linux package affecting Debian systems, which could allow unauthorized access or control over system resources.

The vulnerability affects Debian versions 11, 12, 13, and 14.

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

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

Yes, a patch is available. Users should update their Linux package to the latest version to mitigate the vulnerability.

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