Riskcovery

CVE-2025-71186

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

State
Published
Severity
Not scored
Published
Jan 31, 2026
Updated
Oct 15, 2026
Reserved
Jan 31, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before 3b42020e6790a5e19b36c187ed5b488a5716f97fAffected
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before 6393da54dcb3488c080a183c4182ddec71ba8d7fAffected
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before 1dda2a32303df0091896b01a9d09070d61fa344cAffected
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before 1a179ac01ff3993ab97e33cc77c316ed7415cda1Affected
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before 2fb10259d4efb4367787b5ae9c94192e8a91c648Affected
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before 3ef52d31cce8ba816739085a61efe07b63c6cf27Affected
  • df7e762db5f6c8dbd9e480f1c9ef9851de346657 to before dd6e4943889fb354efa3f700e42739da9bddb6efAffected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 5.10.249 through 5.10.*Not affected
  • 5.15.199 through 5.15.*Not affected
  • 6.1.162 through 6.1.*Not affected
  • 6.6.122 through 6.6.*Not affected
  • 6.12.67 through 6.12.*Not affected
  • 6.18.7 through 6.18.*Not affected
  • 6.19 and laterNot affected

References

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