Otu ndị nchọpụta si Mahadum Toronto mepụtara mwakpo GPUBreach, nke, dị ka mwakpo GDDRHammer na GeForge e kwupụtara n'oge na-adịbeghị anya, na-eji usoro RowHammer emebi obere ebe nchekwa vidiyo GDDR ma mebie tebụl ibe ebe nchekwa GPU. GPUBreach na-enye ohere ịnweta mgbọrọgwụ na gburugburu sistemụ isi site na imezu kernel CUDA na-enweghị ihe ùgwù na NVIDIA GPU.
Ihe pụrụ iche nke mwakpo ahụ bụ ikike ya ịrụ ọrụ na IOMMU enyere. Iji zere IOMMU, mwakpo ahụ na-emebi ọnọdụ nke draịva kernel nke NVIDIA ma na-amalite mbufe ihe nchekwa, na-edegharị ihe dị n'ime usoro kernel. A na-egosikwa mwakpo ahụ site na iji ọbá akwụkwọ cuPQC iji wepụta igodo nzuzo na ebe nchekwa GPU, na-eme ka mgbakọ cryptographic dịkwuo ngwa ngwa site na ibugo ha na GPU.
isi: opennet.ru
