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CVE-2025-71186

dmaengine: stm32: dmamux: fix device leak on route allocation

EPSS 0.2%
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.
Produtos afetados
Linux · Linux

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Referências
https://cert-portal.siemens.com/productcert/html/ssa-253495.htmlhttps://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344chttps://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97fhttps://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7fhttps://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef