CVE-2023-53687
BaseFortify
Publication date: 2025-10-07
Last updated on: 2026-02-26
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 5.15.160 (inc) to 5.16 (inc) |
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 samsung_tty serial driver. Specifically, in the function s3c24xx_serial_getclk(), when searching for the best clock (clk), the code iterates over all possible clocks. If a better clock is found, the previously allocated clock resource must be freed. However, if a better match has already been found, the new clock resource still needs to be freed to avoid leaking memory. The vulnerability occurs because this freeing step was missing, causing a memory leak.
How can this vulnerability impact me? :
This memory leak can cause the affected system to consume increasing amounts of memory over time when the samsung_tty serial driver is used, potentially leading to degraded system performance or instability if the leak is significant and persistent.