CVE-2026-92521

CVE-2026-92521 affects the Linux kernel ACPI PCI subsystem. In acpi_pci_root_add(), the freshly allocated root is assigned to device->driver_data before dmar_device_add() and pci_acpi_scan_root(). When dmar_device_add() fails during a hot-add, the root is freed via kfree() but driver_data is l...