Medium 5.5Published Jan 31, 2026

CVE-2025-71189dmaengine: dw: dmamux: fix OF node leak on route allocation failure

Updated under an hour ago (Oct 27, 2026, 9:23 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dw: dmamux: fix OF node leak on route allocation failure Make sure to drop the reference taken to the DMA master OF node also on late route allocation failures.

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 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	134d9c52fca26d2d199516e915da00f0cc6adc73 builds before 6b87288581a0fcbe54b39da5c10e1aee2df8776e; from 134d9c52fca26d2d199516e915da00f0cc6adc73 before db7c79c1bbfb1b0184e78a17ac2bd0f2bc3134d1; 134d9c52fca26d2d199516e915da00f0cc6adc73 builds before 8f7a391211381ed2f6802032c78c7820d166bc49; from 134d9c52fca26d2d199516e915da00f0cc6adc73 before eabe40f8a53c29f531e92778ea243e379f4f7978; from 134d9c52fca26d2d199516e915da00f0cc6adc73 before ec25e60f9f95464aa11411db31d0906b3fb7b9f2	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 5.19.1 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; 5.19; 6.19; 6.19; 6.19; and 5 more ranges	NVD

References

References

https://git.kernel.org/stable/c/6b87288581a0fcbe54b39da5c10e1aee2df8776e	patch
https://git.kernel.org/stable/c/db7c79c1bbfb1b0184e78a17ac2bd0f2bc3134d1	patch
https://git.kernel.org/stable/c/8f7a391211381ed2f6802032c78c7820d166bc49	patch
https://git.kernel.org/stable/c/eabe40f8a53c29f531e92778ea243e379f4f7978	patch
https://git.kernel.org/stable/c/ec25e60f9f95464aa11411db31d0906b3fb7b9f2	patch
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.