dmaengine: dw: dmamux: fix OF node leak on route allocation failure

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-71189
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-31 12:16:04 UTC
Updated2026-07-14 13:18:05 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-401

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 134d9c52fca26d2d199516e915da00f0cc6adc73 6b87288581a0fcbe54b39da5c10e1aee2df8776e git Not specified
CNA Linux Linux affected 134d9c52fca26d2d199516e915da00f0cc6adc73 db7c79c1bbfb1b0184e78a17ac2bd0f2bc3134d1 git Not specified
CNA Linux Linux affected 134d9c52fca26d2d199516e915da00f0cc6adc73 8f7a391211381ed2f6802032c78c7820d166bc49 git Not specified
CNA Linux Linux affected 134d9c52fca26d2d199516e915da00f0cc6adc73 eabe40f8a53c29f531e92778ea243e379f4f7978 git Not specified
CNA Linux Linux affected 134d9c52fca26d2d199516e915da00f0cc6adc73 ec25e60f9f95464aa11411db31d0906b3fb7b9f2 git Not specified
CNA Linux Linux affected 5.19 Not specified
CNA Linux Linux unaffected 5.19 semver Not specified
CNA Linux Linux unaffected 6.1.162 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.122 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.67 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.7 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19 * original_commit_for_fix Not specified
ADP Siemens RUGGEDCOM RST2428P affected V4.0 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/db7c79c1bbfb1b0184e78a17ac2bd0f2bc3134d1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/eabe40f8a53c29f531e92778ea243e379f4f7978 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-019113.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
cert-portal.siemens.com/productcert/html/ssa-253495.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/ec25e60f9f95464aa11411db31d0906b3fb7b9f2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8f7a391211381ed2f6802032c78c7820d166bc49 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6b87288581a0fcbe54b39da5c10e1aee2df8776e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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