CVE-2025-71189
Modified Modified - Updated After Analysis
BaseFortify

Publication date: 2026-01-31

Last updated on: 2026-06-02

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw: dmamux: fix OF node leak on route allocation failure Make sure to drop the reference taken to the DMA master OF node also on late route allocation failures.
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Meta Information
Published
2026-01-31
Last Modified
2026-06-02
Generated
2026-06-16
AI Q&A
2026-01-31
EPSS Evaluated
2026-06-15
NVD
CVE-2025-71189
Affected Vendors & Products
Showing 13 associated CPEs
Vendor Product Version / Range
linux linux_kernel 5.19
linux linux_kernel From 6.13 (inc) to 6.18.7 (exc)
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel From 6.2 (inc) to 6.6.122 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.67 (exc)
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel From 5.19.1 (inc) to 6.1.162 (exc)
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Exploitability
CWE
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KEV
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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.
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Executive Summary

This vulnerability is related to the Linux kernel's dmaengine component, specifically the dw dmamux driver. It involves a resource leak where the reference to the DMA master device tree node (OF node) is not properly released when a route allocation fails late in the process. The fix ensures that this reference is dropped correctly to prevent the leak.

Impact Analysis

The impact of this vulnerability is a resource leak in the Linux kernel's DMA engine subsystem. This could potentially lead to increased memory usage or resource exhaustion over time if route allocation failures occur frequently, possibly affecting system stability or performance.

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