Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.