CVE-2023-53334
BaseFortify
Publication date: 2025-09-16
Last updated on: 2025-12-10
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | to 5.15.100 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.18 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.2.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-401 | The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel related to the USB chipidea driver. It occurs because the function debugfs_lookup() is called without a corresponding dput() call to release the memory, causing memory to leak over time. The fix involves using debugfs_lookup_and_remove() which properly handles the memory management.
How can this vulnerability impact me? :
The memory leak caused by this vulnerability can lead to increased memory usage over time, potentially degrading system performance or causing system instability if the leaked memory accumulates significantly.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your Linux kernel to a version where the USB chipidea driver uses debugfs_lookup_and_remove() instead of debugfs_lookup() without dput(), as this fixes the memory leak issue. Applying the latest kernel patches or updates from your distribution that address this issue is recommended.