CVE-2026-98637

The Linux kernel contains a vulnerability in the KVM subsystem for arm64 architecture. During vCPU initialization , the function pkvm_vcpu_init_sve() incorrectly clears KVM_ARM_VCPU_SVE in kvm->arch.vcpu_features upon failure, while leaving KVM_ARCH_FLAG_GUEST_HAS_SVE set. This causes subseque...