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-2026-64445: ... 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 serves as the foundation for various applications and services running on Debian systems. This vulnerability poses a significant risk to users of Debian versions 11 (Bullseye), 12 (Bookworm), 13 (Trixie), and 14 (Forky), as it can potentially compromise system integrity and security.

Vulnerability Detail

CVE-2026-64445 is a critical vulnerability affecting the Linux package across multiple Debian distributions. The vulnerability originates from a flaw in the kernel that could allow unauthorized access or manipulation of system resources. If exploited, it may lead to privilege escalation, allowing attackers to execute arbitrary code with elevated privileges, thereby compromising the entire system. This vulnerability is particularly concerning as it affects all versions of the Linux package prior to the fixed version 6.12.96-1 in Debian 13 (Trixie).

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 sensitive system resources and monitor for unusual activity until the package is updated. Additionally, consider implementing stricter user permissions to mitigate potential exploitation.

Conclusion

CVE-2026-64445 presents a serious risk to users of the Linux package across multiple Debian distributions. It is crucial for users to update their systems to the patched version to mitigate the risks associated with this vulnerability. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.

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FAQ

CVE-2026-64445 is a critical vulnerability in the Linux package affecting various Debian distributions, allowing potential privilege escalation.

Debian versions 11 (Bullseye), 12 (Bookworm), 13 (Trixie), and 14 (Forky) are affected by this vulnerability.

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 requiring signup.

If you cannot update immediately, implement stricter user permissions and monitor system activity to reduce the risk of exploitation.

Yes, a patch is available for Debian 13 (Trixie) in version 6.12.96-1. Users of other versions should check for updates from their respective repositories.

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How To Fix

No fixed version is published for this vulnerability.

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