Critical Vulnerability in Linux Package Affecting Debian Versions

linux Updated 22 Oct 2026

Summary

28/05/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-46187: ... Affects linux versions 5.10.103-1 – 7.1~rc5-1~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 distributions. The package is widely used across multiple versions of Debian, including Bullseye, Bookworm, Trixie, and Forky. This vulnerability poses a significant risk to systems utilizing these versions, as it can lead to potential exploitation if not addressed promptly.

Vulnerability Detail

CVE-2026-46187 is a critical vulnerability identified in the Linux package affecting Debian distributions. The vulnerability originates from a flaw in the kernel that could allow an attacker to execute arbitrary code with elevated privileges. This could lead to unauthorized access to sensitive data, system compromise, and potential disruption of services. The vulnerability is present in all versions of the Linux package prior to the fixed versions, which are 6.12.88-1 for Debian Trixie and 7.0.7-1 for Debian Forky.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As a temporary workaround, users can restrict access to the affected systems and monitor for any suspicious activity until the package is updated. Additionally, consider implementing firewall rules to limit exposure to potential attacks.

Conclusion

The CVE-2026-46187 vulnerability poses a serious risk to Debian systems using the Linux package. It is crucial to update to the latest patched versions to mitigate potential threats. Users should remain vigilant and consider using tools like Vulert for ongoing monitoring of vulnerabilities.

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FAQ

CVE-2026-46187 is a critical vulnerability in the Linux package that affects multiple Debian distributions, allowing potential unauthorized access and code execution.

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

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.

Immediately update the Linux package to the patched versions: 6.12.88-1 for Trixie and 7.0.7-1 for Forky. Additionally, implement security measures such as firewalls.

Yes, restrict access to the affected systems and monitor for unusual activity as a temporary measure until the package can be updated.

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How To Fix

No fixed version is published for this vulnerability.

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