File Descriptor Management Flaw in Linux Kernel Affects Multiple Versions
CVE-2025-38409

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 25 July 2025

What is CVE-2025-38409?

A vulnerability has been identified in the Linux kernel concerning the improper handling of file descriptors in the drm/msm subsystem. The issue arises when the put_unused_fd() function is executed without properly freeing the associated file when a file descriptor is already installed via fd_install(). This flaw can potentially lead to resource leaks, affecting system performance and stability. A patch addressing this vulnerability has been released, ensuring that unused file descriptors are handled correctly, thereby enhancing system security and reliability.

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