cve-2026-46014

CVE-2026-46014 is a Linux kernel KVM vulnerability published on May 27, 2026, involving broken save-and-restore handling for Last Branch Record model-specific registers in KVM's AMD SVM virtualization path, with related Intel VMX bookkeeping also corrected. The bug is not a flashy exploit but a state-management issue in hypervisors that can be security-relevant for virtualization operators, kernel maintainers, and those running nested VM stacks. NVD has not yet assigned a CVSS score. The tag covers discussions about the vulnerability, its fix, and implications for nested virtualization and CPU introspection features.