Critical Vulnerability in Linux Package Across Multiple Debian Versions

linux Updated 22 Oct 2026

Summary

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

DEBIAN-CVE-2026-74406: ... Affects linux versions 5.10.103-1 – 7.2~rc7-1~exp1. No fix is published. How to fix ↓

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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 distributions, including Debian 11 (Bullseye), Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky). This package is crucial for system stability and performance, making it a prime target for vulnerabilities that could compromise system security.

Vulnerability Detail

CVE-2026-74406 is a critical vulnerability affecting the Linux package across multiple Debian versions. This vulnerability originates from a flaw in the kernel that could allow an attacker to execute arbitrary code with elevated privileges. The ramifications of this vulnerability are severe, potentially leading to unauthorized access, data breaches, and system compromise. It is crucial for users to be aware of this vulnerability and take necessary actions to mitigate risks.

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 functionalities until the package is updated. This can be done by modifying user permissions and limiting access to critical system files.

Conclusion

CVE-2026-74406 represents a significant security risk for users of the Linux package across multiple Debian versions. It is essential for users to update their systems to the patched versions to mitigate potential threats. Utilizing tools like Vulert can help monitor vulnerabilities effectively.

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FAQ

CVE-2026-74406 is a critical vulnerability in the Linux package that allows attackers to execute arbitrary code with elevated privileges.

The vulnerability affects Debian 11 (Bullseye), Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky).

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software without requiring access to the code or installation.

If immediate updates are not possible, consider implementing workarounds such as restricting access to sensitive functionalities.

More information can be found in the official Debian security advisories and the CVE database.

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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 →

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