Advisory Published

CVE-2024-26776: spi: hisi-sfc-v3xx: Return IRQ_NONE if no interrupts were detected

First published: Wed Apr 03 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: spi: hisi-sfc-v3xx: Return IRQ_NONE if no interrupts were detected Return IRQ_NONE from the interrupt handler when no interrupt was detected. Because an empty interrupt will cause a null pointer error: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Call trace: complete+0x54/0x100 hisi_sfc_v3xx_isr+0x2c/0x40 [spi_hisi_sfc_v3xx] __handle_irq_event_percpu+0x64/0x1e0 handle_irq_event+0x7c/0x1cc

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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