CVE-2026-64555

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by modifying vcpucpsr and writing the result directly into hardware. In...

CVE-2026-64555

The CVE-2026-64555 entry concerns the Linux kernel KVM for ARM64. The issue arises in kvm_hyp_handle_mops(), where a synthetic vcpu_cpsr value used for nested virtualization is written directly to hardware, bypassing translation for vEL2. This causes an incorrect reset of the single‑step state ma...