Critical Interrupt Handling Vulnerability in Linux Kernel Packages
Summary
CVE-2025-39709: In the Linux kernel, the following vulnerability has been resolved: media: venus: protect against spurious interrupts during probe Make sure the interrupt handler is initialized before the interrupt is registered. Affects linux versions 5.10.103-1 – 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 kernel is the core component of the Linux operating system, responsible for managing hardware resources and providing essential services to software applications. It is widely used in various environments, from servers to embedded systems. The kernel's stability and security are paramount, as vulnerabilities can lead to system crashes or unauthorized access. This specific vulnerability affects multiple Debian versions of the Linux kernel, highlighting the importance of timely updates and security patches.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified related to the media subsystem, specifically in the Venus driver. The issue arises when the interrupt handler is not initialized before the interrupt is registered. If an interrupt occurs before the handler setup is complete, it can lead to a NULL dereference, causing system instability or crashes. This condition has been observed during system boot on Rb3Gen2 devices, making it critical for users to address this vulnerability promptly.
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, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the available patches as soon as they are released.
Conclusion
The CVE-2025-39709 vulnerability in the Linux kernel poses significant risks to system stability and security. Users are advised to update their systems promptly to the latest patched versions to mitigate these risks. Regular monitoring and updates are essential for maintaining a secure environment.
See every vulnerability recorded for linux →
FAQ
CVE-2025-39709 is a vulnerability in the Linux kernel that can lead to system crashes due to improper interrupt handling.
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.
If exploited, this vulnerability can cause system instability, crashes, or even unauthorized access to system resources.
Yes, users are encouraged to update their Linux kernel packages to the latest version to mitigate this vulnerability.
While there are no specific workarounds, it is crucial to plan for an update as soon as possible to ensure system security.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
