Kubayi-Ngubane said there was no truth to rumours that Minister of State Security Bongani Bongo and Minister of Defence Nosiviwe Mapisa-Nqakula had been turned back.
"They are in Zimbabwe and they are doing the work‚" she said.
Cabinet also discussed the release of the Heher Commission report on fee-free higher education‚ she said.
"The President will make an announcement on the report in due course after processing by the Inter-Ministerial Committee on Higher Education funding and the Presidential Fiscal Committee."