CVE-2025-71186: dmaengine: stm32: dmamux: fix device leak on route allocation
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: stm32: dmamux: fix device leak on route allocation
Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation.
Note that holding a reference to a device does not prevent its driver data from going away so there is no point in keeping the reference.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-71186?
CVE-2025-71186 is classified as a medium severity vulnerability affecting the DMA engine in the Linux kernel.
How do I fix CVE-2025-71186?
To fix CVE-2025-71186, upgrade to the latest version of the Linux kernel that includes the patch for this vulnerability.
What impact does CVE-2025-71186 have on affected systems?
CVE-2025-71186 may lead to a device leak during DMA route allocation, potentially affecting system stability.
Which versions of Linux are affected by CVE-2025-71186?
CVE-2025-71186 affects specific versions of the Linux kernel where the DMA engine is utilized.
Who is responsible for resolving CVE-2025-71186?
The resolution for CVE-2025-71186 is typically handled by the maintainers and contributors of the Linux kernel.