CVE-2026-46225
Analyzed Analyzed - Analysis Complete
spi: rspi Controller Deregistration Flaw in Linux Kernel

Publication date: 2026-05-28

Last updated on: 2026-06-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: spi: rspi: fix controller deregistration Make sure to deregister the controller before releasing underlying resources like DMA during driver unbind.
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Meta Information
Published
2026-05-28
Last Modified
2026-06-10
Generated
2026-06-17
AI Q&A
2026-05-28
EPSS Evaluated
2026-06-16
NVD
CVE-2026-46225
EUVD
EUVD-2026-32852
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.13 (inc) to 6.18.32 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.90 (exc)
linux linux_kernel From 6.19 (inc) to 7.0.9 (exc)
linux linux_kernel From 3.14 (inc) to 6.6.140 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability relates to the Linux kernel's SPI (Serial Peripheral Interface) driver, specifically the rspi controller. The issue was that the controller was not properly deregistered before releasing underlying resources such as DMA (Direct Memory Access) during the driver unbind process. This could lead to improper resource management.

Impact Analysis

Improper deregistration of the SPI controller before releasing resources like DMA could potentially cause system instability or resource conflicts. This might lead to crashes or unexpected behavior in systems relying on the affected driver.

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