CVE-2026-46225
spi: rspi Controller Deregistration Flaw in Linux Kernel
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: kernel.org
Description
Description
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Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
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AI Powered Q&A
How can this vulnerability impact me? :
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.
Can you explain this vulnerability to me?
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.