CVE-2026-46034 vfio/cdx: Fix NULL pointer dereference in interrupt trigger path

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Fix NULL pointer dereference in interrupt trigger path Add validation to ensure MSI is configured before accessing cdxirqs array in vfiocdxsetmsitrigger. Without this check, userspace can trigger a NULL pointer...

PT-2026-43903

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Serialize VFIO DEVICE SET IRQS with a per-device mutex vfio cdx set msi trigger reads vdev-config msi and operates on the vdev-cdx irqs array based on its value, but provides no serialization against concurrent VFIO...