CVE-2023-53355
BaseFortify
Publication date: 2025-09-17
Last updated on: 2025-12-11
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 | From 4.14 (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 in the Linux kernel's pi433 staging driver involves a memory leak caused by improper handling of debugfs_lookup() calls. Specifically, when debugfs_lookup() is called, the returned result must have dput() called on it to release resources. Failure to do so causes memory to leak over time. The fix involves replacing debugfs_lookup() with debugfs_lookup_and_remove(), which manages the resource cleanup 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 system instability if the leak is significant and persistent.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch or update to the Linux kernel version that includes the fix for the memory leak in the pi433 staging driver by replacing debugfs_lookup() usage with debugfs_lookup_and_remove(), ensuring proper memory management.