CVE-2025-71186
dmaengine: stm32: dmamux: fix device leak on route allocation
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jan 31, 2026 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
df7e762db5f6c8dbd9e480f1c9ef9851de346657 < 3b42020e6790a5e19b36c187ed5b488a5716f97f df7e762db5f6c8dbd9e480f1c9ef9851de346657 < 6393da54dcb3488c080a183c4182ddec71ba8d7f df7e762db5f6c8dbd9e480f1c9ef9851de346657 < 1dda2a32303df0091896b01a9d09070d61fa344c df7e762db5f6c8dbd9e480f1c9ef9851de346657 < 1a179ac01ff3993ab97e33cc77c316ed7415cda1 df7e762db5f6c8dbd9e480f1c9ef9851de346657 < 2fb10259d4efb4367787b5ae9c94192e8a91c648 df7e762db5f6c8dbd9e480f1c9ef9851de346657 < 3ef52d31cce8ba816739085a61efe07b63c6cf27 df7e762db5f6c8dbd9e480f1c9ef9851de346657 < dd6e4943889fb354efa3f700e42739da9bddb6ef
Linux / Linux
4.15
References
git.kernel.org: https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97f git.kernel.org: https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7f git.kernel.org: https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344c git.kernel.org: https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1 git.kernel.org: https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648 git.kernel.org: https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27 git.kernel.org: https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6ef