Unrated severityNVD Advisory· Published Jan 31, 2026· Updated Feb 9, 2026
dmaengine: stm32: dmamux: fix device leak on route allocation
CVE-2025-71186
Description
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 products
2- Linux/Linuxv5Range: 4.15
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1mitre
- git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344cmitre
- git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648mitre
- git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97fmitre
- git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27mitre
- git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7fmitre
- git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6efmitre
News mentions
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