Critical Vulnerability in Linux Package Affecting Debian 12, 13, and 14 - CVE-2026-74338

linux Updated 22 Oct 2026

Summary

15/08/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-74338: ... Affects linux versions 6.1.106-1 – 7.2~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 Devnack Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

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 distributions, including Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky). This vulnerability poses a significant risk to systems running these versions, potentially leading to unauthorized access or system instability.

Vulnerability Detail

CVE-2026-74338 is a critical vulnerability identified in the Linux package that allows attackers to exploit weaknesses in the system's kernel. This vulnerability originates from improper handling of certain system calls, which could lead to privilege escalation, allowing unauthorized users to gain elevated access to system resources. The ramifications of this vulnerability are severe, as it could compromise the integrity and confidentiality of the affected systems.

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 the patch is applied. Additionally, implementing strict user permissions can help mitigate the risk of exploitation.

Conclusion

CVE-2026-74338 represents a serious threat to users of the Linux package across multiple Debian versions. It is crucial to apply the necessary updates as soon as they become available to protect systems from potential exploitation. Users are encouraged to utilize tools like Vulert to stay informed about vulnerabilities affecting their software.

See every vulnerability recorded for linux →

Share this vulnerability

FAQ

CVE-2026-74338 is a critical vulnerability in the Linux package that allows for potential privilege escalation.

Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky) are all affected by this vulnerability.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software by analyzing your manifest file.

Yes, a patch is available for Debian 14 (Forky) in version 7.1.5-1. Patches for Debian 12 and 13 are still pending.

If immediate updates are not possible, limit access to the system and monitor for any suspicious activities 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