Chikwata chevaongorori vanobva kuYunivhesiti yeToronto chakagadzira kurwisa kweGPUBreach, uko, kwakafanana nekurwiswa kweGDDRHammer neGeForge kwakaziviswa munguva pfupi yapfuura, kunoshandisa nzira yeRowHammer kukanganisa mabhiti ekurangarira vhidhiyo yeGDDR nekukuvadza tafura yepeji rendangariro yeGPU. GPUBreach inobvumira kupinda kwemidzi kunzvimbo huru yesystem nekushandisa kernel isina rusununguko yeCUDA paNVIDIA GPU.
Chinhu chakasiyana chekurwiswa uku kugona kwayo kushanda neIOMMU yakabatidzwa. Kuti ipfuure IOMMU, kurwisa uku kunoshatisa mamiriro emutyairi wekernel weNVIDIA uye kunotanga buffer overflow, kuchibvisa zviri mukati memaumbirwo ekernel. Kurwiswa uku kunoratidzwawo uchishandisa cuPQC library kubvisa makiyi e encryption kubva kuGPU memory, zvichikurumidzisa cryptographic computations nekuaisa kuGPU.
Source: opennet.ru
