CVE-2023-53404
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 subsystem related to the fotg210 driver. It occurs because when calling debugfs_lookup(), the returned result is not properly released with 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 if the leaked memory accumulates significantly.
What immediate steps should I take to mitigate this vulnerability?
Update the Linux kernel to a version that includes the fix for the USB fotg210 memory leak vulnerability. The fix involves proper handling of debugfs_lookup() results by using debugfs_lookup_and_remove() to prevent memory leaks. Applying the latest kernel patches or updates from your Linux distribution that address this issue is the recommended mitigation.