CVE-2026-46200
Analyzed Analyzed - Analysis Complete
SPI 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: mpc52xx: fix controller deregistration Make sure to deregister the controller before disabling and releasing underlying resources like interrupts and gpios 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-2026-46200
EUVD
EUVD-2026-32827
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.13 (inc) to 6.18.32 (exc)
linux linux_kernel From 6.19 (inc) to 7.0.9 (exc)
linux linux_kernel From 2.6.33 (inc) to 6.12.90 (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: mpc52xx driver. The issue was that the controller was not properly deregistered before disabling and releasing underlying resources such as interrupts and GPIOs during the driver unbind process. The fix ensures that the controller is deregistered first to prevent potential issues.

Impact Analysis

Improper deregistration of the controller before releasing resources could lead to system instability or unexpected behavior in the SPI driver, potentially causing hardware communication problems or crashes during driver unbind.

Mitigation Strategies

The vulnerability has been resolved by ensuring that the SPI controller on mpc52xx is deregistered before disabling and releasing underlying resources such as interrupts and GPIOs during driver unbind.

To mitigate this vulnerability, update your Linux kernel to a version that includes this fix.

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