CVE-2023-53424
BaseFortify
Publication date: 2025-09-18
Last updated on: 2026-04-06
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 5.15 (inc) to 6.3.13 (exc) |
| linux | linux_kernel | From 6.4 (inc) to 6.4.4 (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 MediaTek clock driver. Specifically, in the function mtk_clk_simple_probe(), a memory region allocated by of_iomap() (referred to as 'base') is not properly released when an error occurs and clk_data does not exist. This causes the allocated memory to leak because the code does not free it in all error handling paths.
How can this vulnerability impact me? :
The impact of this vulnerability is a memory leak in the kernel, which can lead to increased memory usage over time and potentially degrade system performance or stability. While it does not directly cause code execution or data corruption, the leak can accumulate and affect system reliability.
What immediate steps should I take to mitigate this vulnerability?
Apply the patch or update to the fixed version of the Linux kernel that includes the fix for the memory leak in the mediatek clk driver (specifically in mtk_clk_simple_probe()). This will ensure that the base memory allocated by of_iomap() is properly released, preventing the leak.