Critical Vulnerability in Linux Package Affecting Debian Distributions

linux Updated 22 Oct 2026

Summary

25/06/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-53236: ... Affects linux versions 5.10.103-1 – 7.1~rc7-1~exp1. 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 and hardware management. It is widely used across various Debian distributions, including Bullseye, Bookworm, Trixie, and Forky. The package is known for its stability and performance, but it is also susceptible to vulnerabilities that can compromise system security.

Vulnerability Detail

CVE-2026-53236 is a critical vulnerability affecting the Linux package across multiple Debian distributions. This vulnerability originates from a flaw in the kernel that could allow unauthorized access or control over system resources. If exploited, it may lead to severe consequences, including data breaches, system crashes, or unauthorized privilege escalation. The vulnerability is present in all versions prior to the fixed version 6.12.94-1 in Debian Trixie, making it imperative for users to address it promptly.

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 resources or implement additional security measures, such as using firewalls or intrusion detection systems, until the package can be updated.

Conclusion

CVE-2026-53236 is a critical vulnerability affecting the Linux package in multiple Debian distributions. Users are strongly advised to update their systems to the patched version to mitigate potential risks. For those unable to update immediately, implementing temporary workarounds can help secure the system until a proper fix is applied.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-53236 is a critical vulnerability in the Linux package affecting various Debian distributions, allowing potential unauthorized access to system resources.

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.

Exploitation of this vulnerability could lead to unauthorized access, data breaches, system crashes, or privilege escalation, posing significant risks to system security.

Yes, a patch is available for Debian Trixie in version 6.12.94-1. Users should update their Linux package to this version to mitigate the vulnerability.

If immediate updates are not possible, consider implementing temporary security measures such as restricting access to sensitive resources or using firewalls.

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