CVE-2026-23198

CVE-2026-23198 relates to the Linux kernel KVM irqfd handling. The vulnerability arose when deassociating an IRQFD could clobber the irqfd’s copy of the IRQ’s routing entry, causing arch-specific code (e.g., kvm_arch_irq_bypass_del_producer on x86/arm64) to misinterpret routing as MSI. The fix ch...