CVE-2023-54231
Unknown Unknown - Not Provided
Memory Leak in Linux Kernel net/libwx DMA Buffer Handling

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix memory leak in wx_setup_rx_resources When wx_alloc_page_pool() failed in wx_setup_rx_resources(), it doesn't release DMA buffer. Add dma_free_coherent() in the error path to release the DMA buffer.
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Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-15
NVD
CVE-2023-54231
EUVD
EUVD-2023-60410
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux kernel *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a memory leak in the Linux kernel's net: libwx component. Specifically, when the function wx_alloc_page_pool() fails during wx_setup_rx_resources(), the DMA buffer is not released properly, leading to a memory leak. The fix involves adding dma_free_coherent() in the error path to release the DMA buffer.

Impact Analysis

The memory leak caused by this vulnerability can lead to increased memory usage and potential resource exhaustion on affected systems, which may degrade system performance or cause instability over time.

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