Database/Kernel, userspace & hypervisor
Xen (x86 HVM): x86 HVM I/O port list traversal flaw
CVE-2026-42487Kernel, userspace & hypervisorXSA-491curated
Impact
x86 HVM I/O port list traversal flaw
Who can reach it
Tenant VM guest (HVM)
What to do
Hypervisor patch + reboot/evacuation
References
This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.