dmaengine: lpc18xx-dmamux: fix device leak on route allocation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-71188
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-31 12:16:04 UTC
Updated2026-06-02 14:16:39 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: dmaengine: lpc18xx-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.

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 e5f4ae84be7421010780984bdc121eac15997327 3d396ebfb3049a2b5fac51d2c967db5114b685e8 git Not specified
CNA Linux Linux affected e5f4ae84be7421010780984bdc121eac15997327 499ddae78c4baa9b94df76b2d2eb6b150d15377f git Not specified
CNA Linux Linux affected e5f4ae84be7421010780984bdc121eac15997327 adef147a8d8c3d767abf88ad2c381ffab2993086 git Not specified
CNA Linux Linux affected e5f4ae84be7421010780984bdc121eac15997327 9fba97baa520c9446df51a64708daf27c5a7ed32 git Not specified
CNA Linux Linux affected e5f4ae84be7421010780984bdc121eac15997327 992eb8055a6e5dbb808672d20d68e60d5a89b12b git Not specified
CNA Linux Linux affected e5f4ae84be7421010780984bdc121eac15997327 1e47d80f6720f0224efd19bcf081d39637569c10 git Not specified
CNA Linux Linux affected e5f4ae84be7421010780984bdc121eac15997327 d4d63059dee7e7cae0c4d9a532ed558bc90efb55 git Not specified
CNA Linux Linux affected 4.3 Not specified
CNA Linux Linux unaffected 4.3 semver Not specified
CNA Linux Linux unaffected 5.10.249 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.199 5.15.* 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

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/992eb8055a6e5dbb808672d20d68e60d5a89b12b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9fba97baa520c9446df51a64708daf27c5a7ed32 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3d396ebfb3049a2b5fac51d2c967db5114b685e8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/499ddae78c4baa9b94df76b2d2eb6b150d15377f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d4d63059dee7e7cae0c4d9a532ed558bc90efb55 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/adef147a8d8c3d767abf88ad2c381ffab2993086 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1e47d80f6720f0224efd19bcf081d39637569c10 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-253495.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
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