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CVE-2025-71186

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.249, 5.15.199, 6.1.162, 6.6.122, 6.12.67, and 1 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in 3b42020e6790a5e19b36c187ed5b488a5716f97f; From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in 6393da54dcb3488c080a183c4182ddec71ba8d7f; From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in 1dda2a32303df0091896b01a9d09070d61fa344c; From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in 1a179ac01ff3993ab97e33cc77c316ed7415cda1; From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in 2fb10259d4efb4367787b5ae9c94192e8a91c648; From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in 3ef52d31cce8ba816739085a61efe07b63c6cf27; From df7e762db5f6c8dbd9e480f1c9ef9851de346657 · fixed in dd6e4943889fb354efa3f700e42739da9bddb6ef

  • Linux Linux

    4.15

  • KernelLinux

    From 4.15.0 · fixed in 5.10.249; From 5.11.0 · fixed in 5.15.199; From 5.16.0 · fixed in 6.1.162; From 6.2.0 · fixed in 6.6.122; From 6.7.0 · fixed in 6.12.67; From 6.13.0 · fixed in 6.18.7

References 7

git.kernel.org