CVE-2025-71186

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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWE

CWE-401

Published

2026-01-31

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1
• https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c
• https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648
• https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f
• https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27

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