Kotsi (CVE-915-2022) e khethiloe ho mokhanni oa Intel GPU (i4139) e ka lebisang bobolung ba mohopolo kapa ho lutla ha data mohopolong oa kernel. Taba ena e bile teng ho tloha Linux kernel 5.4 mme e ama li-GPU tse 12 tsa Intel tse kopaneng le tse sa bonahaleng, ho kenyeletsoa Letša la Tiger, Rocket Lake, Alder Lake, DG1, Raptor Lake, DG2, Arctic Sound, le malapa a Meteor Lake.
Taba ena e bakoa ke phoso ea logic e etsang hore mokhanni oa video a khoehlise ka phoso li-TLB ho tloha lehlakoreng la GPU ho lisebelisoa tse ling. Maemong a mang, ho seta bocha ha TLB ha hoa etsahala ho hang. Ho hlatsuoa ka mokhoa o fosahetseng ha li-buffers tsa TLB ho ka lebisa monyetleng oa ts'ebetso e sebelisang GPU ho fihlella maqephe a mohopolo oa 'mele ao e seng a ts'ebetso ena, a ka sebelisoang ho bala lintlha tsa batho ba bang kapa mohopolo o senyehileng ts'ebetsong e kantle. Ha e e-so tsejoe hore na ho ba kotsing ho ka sebelisoa hampe ho lebisa tšenyo ea memori liatereseng tse lakatsehang.
Source: opennet.ru