Sehlopha sa bafuputsi ba tsoang Univesithing ea Toronto se thehile tlhaselo ea GPUBreach, e tšoanang le litlhaselo tsa GDDRHammer le GeForge tse phatlalalitsoeng haufinyane, e sebelisang mokhoa oa RowHammer ho senya likarolo tsa memori ea video ea GDDR le ho senya tafole ea leqephe la memori ea GPU. GPUBreach e lumella phihlello ea metso tikolohong e kholo ea sistimi ka ho sebelisa kernel ea CUDA e se nang tokelo ho NVIDIA GPU.
Tšobotsi e ikhethang ea tlhaselo ke bokhoni ba eona ba ho sebetsa ka IOMMU e nolofalitsoeng. Ho qoba IOMMU, tlhaselo e senya boemo ba mokhanni oa kernel oa NVIDIA 'me e qala ho phalla ha buffer, e hlakola litaba tsa meaho ea kernel. Tlhaselo ena e boetse e bontšoa ka ho sebelisa laeborari ea cuPQC ho ntša linotlolo tsa encryption ho tsoa memoring ea GPU, e potlakisa lipalo tsa cryptographic ka ho li kenya ho GPU.
Source: opennet.ru
