CVE-2026-43072
Linux Kernel IRQ Handling Flaw in VC4 Driver
Publication date: 2026-05-05
Last updated on: 2026-05-05
Assigner: kernel.org
Description
Description
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is related to the Linux kernel's drm/vc4 component. The function platform_get_irq_byname() can return a negative value to indicate an error. However, this return value was not properly checked before being passed directly into devm_request_threaded_irq(). This improper handling could lead to unexpected behavior or errors in the kernel.
How can this vulnerability impact me? :
If the negative return value from platform_get_irq_byname() is not checked, it may cause devm_request_threaded_irq() to receive invalid input. This could result in kernel errors, instability, or crashes, potentially affecting system reliability.