kernel: iommu/vt-d: Use device rbtree in iopf reporting path

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Use device rbtree in iopf reporting path The Linux kernel CVE team has assigned CVE-2024-35843 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051717-CVE-2024-35843-516e@gregkh/T...

CVE-2024-35843 iommu/vt-d: Use device rbtree in iopf reporting path

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Use device rbtree in iopf reporting path The existing I/O page fault handler currently locates the PCI device by calling pcigetdomainbusandslot. This function searches the list of all PCI devices until the desired...