Security Advisory

CVE-2025-40161

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-11-12 10:24:36

Last updated 2026-05-11 21:43:55

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fix SGI cleanup on unbind The driver incorrectly determines SGI vs SPI interrupts by checking IRQ number < 16, which fails with dynamic IRQ allocation. During unbind, this causes improper SGI cleanup leading to kernel crash. Add explicit irq_type field to pdata for reliable identification of SGI interrupts (type-2) and only clean up SGI resources when appropriate.

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