Memory Leak Vulnerability in Linux Kernel Affecting Debugfs Component
CVE-2023-53408

Currently unrated

Key Information:

Vendor

Linux

Status
Vendor
CVE Published:
18 September 2025

What is CVE-2023-53408?

A memory leak vulnerability exists in the Linux kernel's debugfs component related to the blktrace functionality. When using debugfs_lookup(), the absence of dput() results in uncollected memory over time, leading to increasing memory usage and potential system performance degradation. It is recommended to utilize debugfs_lookup_and_remove() to ensure proper memory management and mitigate this issue effectively.

Affected Version(s)

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3036f5f5ae5210797d95446795df01c1249af9ad

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5286b72fb425291af5f4ca7285d73c16a08d8691

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-53408 : Memory Leak Vulnerability in Linux Kernel Affecting Debugfs Component