CVE-2023-53267
BaseFortify
Publication date: 2025-09-16
Last updated on: 2025-12-03
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 5.19 (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 Xilinx SoC driver. Specifically, when memory allocation for cb_data in the function xlnx_add_cb_for_notify_event() fails, the allocated memory is not freed properly, causing a memory leak. The fix involves adding a call to kfree() to release the memory when allocation fails.
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 the system to run out of memory, which may result in crashes or instability.
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 xilinx soc driver, specifically the fix in xlnx_add_cb_for_notify_event() where kfree() is called properly to prevent the leak.