CVE-2023-53406
BaseFortify
Publication date: 2025-09-18
Last updated on: 2025-12-12
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's USB gadget driver for pxa25x_udc. It occurs because when calling the function debugfs_lookup(), the returned result is not properly released using dput(), causing memory to leak over time. The fix involves using debugfs_lookup_and_remove() which handles the release automatically.
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 instability in systems using the affected USB gadget driver.
What immediate steps should I take to mitigate this vulnerability?
Apply the updated Linux kernel patch that fixes the memory leak in the pxa25x_udc USB gadget driver by properly handling debugfs_lookup() results, specifically by using debugfs_lookup_and_remove() to prevent memory leaks.