CVE-2025-37885 KVM: x86: Reset IRTE to host control if *new* route isn't postable

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Reset IRTE to host control if new route isn't postable Restore an IRTE back to host control remapped or posted MSI mode if the new GSI route prevents posting the IRQ directly to a vCPU, regardless of the GSI routing typ...

PT-2025-20537

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified, related to KVM Kernel-based Virtual Machine on x86 systems. The issue arises when the new GSI route prevents posting the IRQ...