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.

CVSS Scores

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Meta Information

Published

2026-05-28

Last Modified

2026-06-10

Generated

2026-07-08

AI Q&A

2026-05-28

EPSS Evaluated

2026-07-06

NVD

CVE-2026-46200

EUVD

EUVD-2026-32827

Affected Vendors & Products

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)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

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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