Critical Vulnerability in Linux Package Affecting Multiple Debian Releases

linux Updated 22 Oct 2026

Summary

25/07/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-64438: ... Affects linux versions 5.10.103-1 – 7.2~rc3-1~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 managing system resources, hardware interactions, and user processes. It is widely used across various distributions, including Debian 11 (Bullseye), Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky). This vulnerability poses a significant risk to systems running these versions, as it could potentially allow unauthorized access or control over the system.

Vulnerability Detail

CVE-2026-64438 is a critical vulnerability that affects the Linux package across multiple Debian distributions. The vulnerability originates from a flaw in the kernel that could be exploited by an attacker to gain elevated privileges, leading to unauthorized access to sensitive system resources. The ramifications of this vulnerability are severe, as it could allow attackers to execute arbitrary code, manipulate system processes, or compromise the integrity of the operating system. It is crucial for users to be aware of this vulnerability and take necessary actions to mitigate its impact.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As of now, there are no specific workarounds mentioned for this vulnerability. Users are advised to apply the necessary updates as soon as they are available to mitigate the risk.

Conclusion

CVE-2026-64438 is a critical vulnerability affecting the Linux package across multiple Debian distributions. Users must take immediate action to update their systems to the latest patched versions to mitigate potential risks. Regular monitoring and updates are essential for maintaining system security.

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FAQ

CVE-2026-64438 is a critical vulnerability in the Linux package affecting multiple Debian distributions, which could allow attackers to gain elevated privileges.

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

If you are using an affected version of the Linux package, it is essential to update to the latest patched version as soon as possible.

As of now, there are no publicly known exploits for CVE-2026-64438, but it is advisable to remain vigilant and apply updates promptly.

Vulert monitors and alerts in real-time for open-source vulnerabilities in software using just a manifest file like package-lock.json, helping you stay informed about potential risks.

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How To Fix

No fixed version is published for this vulnerability.

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