Critical Vulnerability in Linux Package Affecting Debian Distributions

linux Updated 22 Oct 2026

Summary

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

DEBIAN-CVE-2026-64338: ... 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 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-2026-64338 is a critical vulnerability identified in the Linux package that affects multiple Debian distributions. The vulnerability originates from improper handling of certain system calls, which could allow an attacker to execute arbitrary code with elevated privileges. This poses significant risks, including unauthorized access to sensitive data and potential system compromise. The vulnerability is present in all versions of the Linux package prior to the fixed version 6.12.96-1 for Debian Trixie.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As a temporary workaround, users can limit access to the affected system or disable certain functionalities that rely on the vulnerable system calls until the package is updated. However, this is not a permanent solution and updating the package is strongly recommended.

Conclusion

CVE-2026-64338 represents a significant security risk for users of the Linux package across various Debian distributions. It is crucial to update to the patched version to mitigate potential threats. Users are encouraged to utilize tools like Vulert for real-time monitoring of vulnerabilities.

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FAQ

CVE-2026-64338 is a critical vulnerability in the Linux package affecting multiple Debian distributions, allowing potential unauthorized code execution.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.

The risks include unauthorized access to sensitive data, potential system compromise, and the ability for attackers to execute arbitrary code with elevated privileges.

Yes, a patch is available for the Linux package in Debian Trixie. Users should update to version 6.12.96-1 or later.

If immediate updates are not possible, consider implementing temporary workarounds such as limiting access to the affected system until a proper update can be performed.

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How To Fix

No fixed version is published for this vulnerability.

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