EUVD-2026-59223
GHSA-f4rp-fvp9-gmx9
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2DescriptionCVE.org
In the Linux kernel, the following vulnerability has been resolved:
gpio: mvebu: free generic chips on unbind
irq_alloc_domain_generic_chips() allocates generic chip data that must be freed via irq_domain_remove_generic_chips(). The devres action mvebu_gpio_remove_irq_domain() only called irq_domain_remove(), which only frees the generic chips if IRQ_DOMAIN_FLAG_DESTROY_GC is set. Call irq_domain_remove_generic_chips() explicitly before irq_domain_remove() instead.
Analysis
In the Linux kernel, the following vulnerability has been resolved:
gpio: mvebu: free generic chips on unbind
irq_alloc_domain_generic_chips() allocates generic chip data that must be freed via irq_domain_remove_generic_chips(). The devres action mvebu_gpio_remove_irq_domain() only called irq_domain_remove(), which only frees the generic chips if IRQ_DOMAIN_FLAG_DESTROY_GC is set. Call irq_domain_remove_generic_chips() explicitly before irq_domain_remove() instead.
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External POC / Exploit Code
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