CVE-2025-68760

The CVE-2025-68760 entry concerns a Linux kernel vulnerability in the AMD IOMMU where iommu_mmio_write() validates the user offset against mmio_phys_end - 4 (assuming 4-byte access), but iommu_mmio_show() performs an 8-byte read (readq). If the offset equals mmio_phys_end - 4, this allows a 4-byt...