CVE-2025-71186

Advisory lineage Upstream: 0 Downstream: 30
Modified
Published: 31 Jan 2026, 11:41
Last modified:02 Jun 2026, 13:00

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

31 Jan 2026, 11:41
Published
Vulnerability first disclosed
02 Jun 2026, 13:00
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • linux•linux

    ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < 3b42020e6790a5e19b36c187ed5b488a5716f97f | ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < 6393da54dcb3488c080a183c4182ddec71ba8d7f | ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < 1dda2a32303df0091896b01a9d09070d61fa344c | ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < 1a179ac01ff3993ab97e33cc77c316ed7415cda1 | ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < 2fb10259d4efb4367787b5ae9c94192e8a91c648 | ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < 3ef52d31cce8ba816739085a61efe07b63c6cf27 | ≥ df7e762db5f6c8dbd9e480f1c9ef9851de346657, < dd6e4943889fb354efa3f700e42739da9bddb6ef | 4.15

  • linux•linux_kernel

    ≥ 4.15.1, < 5.10.249 | ≥ 5.11, < 5.15.199 | ≥ 5.16, < 6.1.162 | ≥ 6.2, < 6.6.122 | ≥ 6.7, < 6.12.67 | ≥ 6.13, < 6.18.7 | 4.15 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3 | 6.19:rc4 | 6.19:rc5 | 6.19:rc6 | 6.19:rc7 | 6.19:rc8

References (8)