CVE-2025-71188: dmaengine: lpc18xx-dmamux: fix device leak on route allocation

Published Jan 31, 2026
·
Updated

In 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.

Affected Software

16 affected components
linux/kernel
Linux Linux kernel>=4.3.1<5.10.249
Linux Linux kernel>=5.11<5.15.199
Linux Linux kernel>=5.16<6.1.162
Linux Linux kernel>=6.2<6.6.122
Linux Linux kernel>=6.7<6.12.67
Linux Linux kernel>=6.13<6.18.7
Linux Linux kernel=4.3
Linux Linux kernel=6.19-rc1
Linux Linux kernel=6.19-rc2
Linux Linux kernel=6.19-rc3
Linux Linux kernel=6.19-rc4
Linux Linux kernel=6.19-rc5
Linux Linux kernel=6.19-rc6
Linux Linux kernel=6.19-rc7
Linux Linux kernel=6.19-rc8

Event History

Jan 31, 2026
CVE Published
via MITRE·11:41 AM
Data Sourced
via MITRE·11:41 AM
Description
Data Sourced
via NVD·12:16 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-71188?

CVE-2025-71188 is classified as a medium severity vulnerability affecting the Linux kernel.

2

How do I fix CVE-2025-71188?

To fix CVE-2025-71188, update your Linux kernel to a version that includes the applicable patches.

3

What does CVE-2025-71188 affect?

CVE-2025-71188 affects the dmaengine subsystem in the Linux kernel specifically related to the lpc18xx-dmamux.

4

What is the impact of CVE-2025-71188?

The impact of CVE-2025-71188 includes a potential device leak during route allocation in the Linux kernel.

5

When was CVE-2025-71188 disclosed?

CVE-2025-71188 was disclosed as part of the ongoing security updates for the Linux kernel.

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