CVE-2026-64513

CVE-2026-64513 affects the Linux kernel KVM x86 path, where CR8 intercept is recomputed on PPR update. Root cause: after a patch to speed up TPR below-threshold vmexits, apic_update_ppr() can omit a deliverable interrupt, causing kvm_lapic_update_cr8_intercept() and vmx_update_cr8_intercept() to ...