Critical Vulnerability in Linux Package Affecting Debian Versions 12, 13, and 14

linux Updated 04 Oct 2025

Summary

04/10/2025
N/A
No i
Unrated
Not published

DEBIAN-CVE-2025-39946: ... Affects linux versions 6.1.106-1 – 6.9.9-1. 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 environments, making its security paramount. This vulnerability, identified as CVE-2025-39946, poses significant risks to systems running Debian versions 12, 13, and 14, particularly affecting system stability and security.

Vulnerability Detail

CVE-2025-39946 is a critical vulnerability that originates from improper handling of certain system calls in the Linux kernel. This flaw can lead to privilege escalation, allowing unauthorized users to gain elevated access to system resources. The ramifications of this vulnerability are severe, potentially enabling attackers to execute arbitrary code, compromise system integrity, and disrupt services. The vulnerability affects all versions of the Linux package in Debian 12 and 13, while Debian 14 is only affected until version 6.16.9-1.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

Currently, no specific workarounds have been provided for this vulnerability. Users are advised to monitor their systems closely and apply updates as soon as they become available.

Conclusion

CVE-2025-39946 represents a significant security risk for users of the Linux package in Debian operating systems. It is crucial for users to stay informed about updates and apply patches promptly to mitigate potential threats. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.

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FAQ

CVE-2025-39946 is a critical vulnerability in the Linux package affecting Debian operating systems, which can lead to privilege escalation.

Debian versions 12, 13, and 14 are affected by this vulnerability, with Debian 14 having a fixed version available.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected without needing to sign up.

Monitor your system for updates and apply them as soon as they are released. Regularly check for security advisories related to the Linux package.

Yes, if exploited, this vulnerability can lead to unauthorized access and potential data loss or corruption.

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How To Fix

No fixed version is published for this vulnerability.

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