Critical Vulnerability in Linux Package Affecting Debian 12, 13, and 14: CVE-2025-39938
Summary
DEBIAN-CVE-2025-39938: ... Affects linux versions 6.1.106-1 – 6.9.9-1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
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. The vulnerability identified as CVE-2025-39938 poses a significant risk, affecting multiple versions of the Linux package across Debian 12, 13, and 14.
Vulnerability Detail
CVE-2025-39938 is a critical vulnerability that originates from a flaw in the Linux kernel, which could potentially allow unauthorized access or privilege escalation. This vulnerability can lead to severe ramifications, including system compromise and unauthorized data access. The vulnerability is present in all versions of the Linux package prior to the fixed version 6.16.9-1 in Debian 14, while Debian 12 and 13 are also affected but without a specified fix yet.
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
Currently, no specific workarounds have been provided for this vulnerability. Users are advised to apply the patch as soon as it becomes available.
Conclusion
CVE-2025-39938 is a critical vulnerability affecting the Linux package in Debian 12, 13, and 14. Users are urged to update their systems to the patched version for Debian 14 and to remain vigilant for updates for Debian 12 and 13. Utilizing tools like Vulert can help in monitoring vulnerabilities in real-time.
See every vulnerability recorded for linux →
FAQ
CVE-2025-39938 is a critical vulnerability in the Linux package affecting Debian systems, which could allow unauthorized access or privilege escalation.
Debian 12, 13, and 14 are affected by this vulnerability, with a fixed version available for Debian 14.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities. Check your application against CVE-2025-39938 using the Vulert playground at Vulert Scanner.
A patch is currently available for Debian 14 (version 6.16.9-1), while Debian 12 and 13 do not have a specified fix yet.
While waiting for a patch, it is recommended to monitor for updates and apply them as soon as they are released.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
