CVE-2025-71186dmaengine: stm32: dmamux: fix device leak on route allocation
Updated under an hour ago ()
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It affects Linux and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before 3b42020e6790a5e19b36c187ed5b488a5716f97f; from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before 6393da54dcb3488c080a183c4182ddec71ba8d7f; from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before 1dda2a32303df0091896b01a9d09070d61fa344c; from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before 1a179ac01ff3993ab97e33cc77c316ed7415cda1; from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before 2fb10259d4efb4367787b5ae9c94192e8a91c648; from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before 3ef52d31cce8ba816739085a61efe07b63c6cf27; from df7e762db5f6c8dbd9e480f1c9ef9851de346657 before dd6e4943889fb354efa3f700e42739da9bddb6ef | CNA record |
Siemens RUGGEDCOM RST2428P siemens:ruggedcom_rst2428p (from the name) | before V4.0 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.6 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.6 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.6 | CISA ADP |
linux linux_kernel linux:linux_kernel | from 4.15.1 before 5.10.249; from 5.11 before 5.15.199; from 5.16 before 6.1.162; from 6.2 before 6.6.122; from 6.7 before 6.12.67; from 6.13 before 6.18.7; 4.15; 6.19; and 7 more ranges | NVD |
References
- https://git.kernel.org/stable/c/3b42020e6790a5e19b36c187ed5b488a5716f97fpatch
- https://git.kernel.org/stable/c/6393da54dcb3488c080a183c4182ddec71ba8d7fpatch
- https://git.kernel.org/stable/c/1dda2a32303df0091896b01a9d09070d61fa344cpatch
- https://git.kernel.org/stable/c/1a179ac01ff3993ab97e33cc77c316ed7415cda1patch
- https://git.kernel.org/stable/c/2fb10259d4efb4367787b5ae9c94192e8a91c648patch
- https://git.kernel.org/stable/c/3ef52d31cce8ba816739085a61efe07b63c6cf27patch
- https://git.kernel.org/stable/c/dd6e4943889fb354efa3f700e42739da9bddb6efpatch
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.