Memory Leak in Linux Kernel Debugging Function

CVE-2023-53390

What is CVE-2023-53390?

A memory leak has been identified in the Linux kernel's handling of the debugfs_lookup() function. Failing to call dput() on the result from debugfs_lookup() can lead to a gradual increase in memory usage over time, potentially affecting the stability and performance of the operating system. It is advisable for developers to switch to using debugfs_lookup_and_remove(), which streamlines the process and include necessary memory deallocation steps, thus preventing unwanted memory retention.

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