{"id":143523,"date":"2025-09-16T17:11:57","date_gmt":"2025-09-16T15:11:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/phoenix-ataka-na-chipy-ddr5-privodyashhaya-k-iskazheniyu-soderzhimogo-pamyati"},"modified":"2025-09-16T17:11:57","modified_gmt":"2025-09-16T15:11:59","slug":"phoenix-ataka-na-chipy-ddr5-privodyashhaya-k-iskazheniyu-soderzhimogo-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/phoenix-ataka-na-chipy-ddr5-privodyashhaya-k-iskazheniyu-soderzhimogo-pamyati","title":{"rendered":"Phoenix \u2014 sulmi n\u00eb \u00e7ipat DDR5, q\u00eb \u00e7on n\u00eb shp\u00ebrputhje t\u00eb p\u00ebrmbajtjes s\u00eb memories","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u0428\u0432\u0435\u0439\u0446\u0430\u0440\u0441\u043a\u043e\u0439 \u0432\u044b\u0441\u0448\u0435\u0439 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0448\u043a\u043e\u043b\u044b \u0426\u044e\u0440\u0438\u0445\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e \u0441 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u043d\u043e\u0432\u0443\u044e \u0442\u0435\u0445\u043d\u0438\u043a\u0443 \u0430\u0442\u0430\u043a\u0438 \u043a\u043b\u0430\u0441\u0441\u0430 Rowhammer — Phoenix (CVE-2025-6202), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0439 \u0432 \u0447\u0438\u043f\u0430\u0445 DDR5 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u044b \u0437\u0430\u0449\u0438\u0442\u044b TRR (Target Row Refresh), \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u044e\u0449\u0438\u0439 \u0438\u0441\u043a\u0430\u0436\u0435\u043d\u0438\u0435 \u044f\u0447\u0435\u0435\u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u0438\u0437-\u0437\u0430 \u043f\u043e\u0442\u0435\u0440\u0438 \u0437\u0430\u0440\u044f\u0434\u0430. \u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u0430, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0431\u0438\u0442\u0430 \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u0414\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u043d\u0430 \u041f\u041a \u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u043c AMD \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u0438\u043a\u0440\u043e\u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b Zen 4 \u0438 DDR5-\u043f\u0430\u043c\u044f\u0442\u044c\u044e SK Hynix, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u043b\u0438\u0441\u044c \u0442\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u0434\u043b\u044f \u0434\u0435\u0441\u043a\u0442\u043e\u043f\u0430 \u0437\u0430\u0434\u0430\u0447\u0438. <\/p>\n

Sulmi RowHammer lejon shp\u00ebrputhjen e p\u00ebrmbajtjes s\u00eb biteve t\u00eb ve\u00e7anta t\u00eb memorjes DRAM p\u00ebrmes leximeve ciklike t\u00eb t\u00eb dh\u00ebnave nga qelizat p\u00ebrreth. Pasi memorja DRAM p\u00ebrb\u00ebhet nga nj\u00eb matric\u00eb dy-dimensionale e qelizave, secila nga t\u00eb cilat p\u00ebrb\u00ebhet nga nj\u00eb kondensator dhe nj\u00eb tranziistor, kryerja e leximeve t\u00eb vazhdueshme n\u00eb t\u00eb nj\u00ebjt\u00ebn zon\u00eb t\u00eb memories ndihmon n\u00eb fluktuacionin e tensionit dhe anomalit\u00eb q\u00eb shkaktojn\u00eb nj\u00eb humbje t\u00eb vog\u00ebl t\u00eb ngarkes\u00ebs n\u00eb qelizat p\u00ebrreth. N\u00ebse intensiteti i leximit \u00ebsht\u00eb i lart\u00eb, qeliza p\u00ebrreth mund t\u00eb humbas\u00eb nj\u00eb sasi t\u00eb konsiderueshme ngarkese dhe cikli i ardhsh\u00ebm i rikuperimit nuk arrin ta rikthej\u00eb gjendjen e saj fillestare, gj\u00eb q\u00eb do t\u00eb \u00e7oj\u00eb n\u00eb ndryshimin e vler\u00ebs s\u00eb t\u00eb dh\u00ebnave t\u00eb ruajtur n\u00eb qeliz\u00eb. <\/p>\n

\u041c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 Rowhammer \u0431\u044b\u043b \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u0432 2014 \u0433\u043e\u0434\u0443, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u043c\u0435\u0436\u0434\u0443 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f\u043c\u0438 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0447\u0430\u043b\u0430\u0441\u044c \u0438\u0433\u0440\u0430 \u0432 «\u043a\u043e\u0448\u043a\u0438-\u043c\u044b\u0448\u043a\u0438» — \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0438 \u0447\u0438\u043f\u043e\u0432 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u044b\u0442\u0430\u043b\u0438\u0441\u044c \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043d\u0430\u0445\u043e\u0434\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0435\u0451 \u043e\u0431\u0445\u043e\u0434\u0430. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 RowHammer \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0438 \u0447\u0438\u043f\u043e\u0432 \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c TRR (Target Row Refresh), \u043d\u043e \u043e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043e\u043d \u0431\u043b\u043e\u043a\u0438\u0440\u0443\u0435\u0442 \u0438\u0441\u043a\u0430\u0436\u0435\u043d\u0438\u0435 \u044f\u0447\u0435\u0435\u043a \u043b\u0438\u0448\u044c \u0432 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u043b\u0443\u0447\u0430\u044f\u0445, \u043d\u043e \u043d\u0435 \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 \u043e\u0442 \u0432\u0441\u0435\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0445 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432 \u0430\u0442\u0430\u043a\u0438. \u041c\u0435\u0442\u043e\u0434\u044b \u0430\u0442\u0430\u043a\u0438 \u0431\u044b\u043b\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u044b \u0434\u043b\u044f \u0447\u0438\u043f\u043e\u0432 DDR3, DDR4 \u0438 DDR5 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430\u043c\u0438 Intel, AMD \u0438 ARM, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0432\u0438\u0434\u0435\u043e\u043f\u0430\u043c\u044f\u0442\u0438, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435\u043e\u043a\u0430\u0440\u0442\u0430\u0445 NVIDIA. \u0411\u043e\u043b\u0435\u0435 \u0442\u043e\u0433\u043e, \u0431\u044b\u043b\u0438 \u043d\u0430\u0439\u0434\u0435\u043d\u044b \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u043e\u0431\u0445\u043e\u0434\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0446\u0438\u0438 \u043e\u0448\u0438\u0431\u043e\u043a ECC \u0438 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u044b \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u043f\u043e \u0441\u0435\u0442\u0438 \u0438 \u0447\u0435\u0440\u0435\u0437 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 JavaScript-\u043a\u043e\u0434\u0430 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435. <\/p>\n

\u041a\u043b\u044e\u0447\u0435\u0432\u044b\u043c \u0444\u0430\u043a\u0442\u043e\u0440\u043e\u043c \u0434\u043b\u044f \u043e\u0431\u0445\u043e\u0434\u0430 \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0438\u0441\u043a\u0430\u0436\u0435\u043d\u0438\u044f \u044f\u0447\u0435\u0435\u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 DRAM \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043b\u043e\u0433\u0438\u043a\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 TRR, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0441\u043a\u0440\u044b\u0442\u0438\u0435 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438 \u043f\u0440\u0438\u043d\u0446\u0438\u043f «\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0447\u0435\u0440\u0435\u0437 \u043d\u0435\u044f\u0441\u043d\u043e\u0441\u0442\u044c (security by obscurity). \u0414\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u0438\u043a\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u0438\u043d\u0436\u0438\u043d\u0438\u0440\u0438\u043d\u0433\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u044b \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u043f\u043b\u0430\u0442\u044b \u043d\u0430 \u0431\u0430\u0437\u0435 FGPA Arty-A7 \u0438 ZCU104, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u0438 DDR5-\u043f\u0430\u043c\u044f\u0442\u0438 SO-DIMM \u0438 RDIMM, \u0432\u044b\u044f\u0432\u043b\u044f\u0442\u044c \u0448\u0430\u0431\u043b\u043e\u043d\u044b \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u044f\u0447\u0435\u0439\u043a\u0430\u043c \u043f\u0430\u043c\u044f\u0442\u0438, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0442\u044c \u043a\u0430\u043a\u0438\u0435 \u043d\u0438\u0437\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u0435 DDR-\u043a\u043e\u043c\u0430\u043d\u0434\u044b \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442\u0441\u044f \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0435\u0430\u043a\u0446\u0438\u044e \u043d\u0430 \u043d\u0438\u0445.

\"Phoenix<\/center> <\/p>\n

Doli se mbrojtja n\u00eb \u00e7ipat DDR5 t\u00eb analizuara \u00ebsht\u00eb realizuar pa komanda t\u00eb shtes\u00eb p\u00ebr menaxhimin e frekuenc\u00ebs s\u00eb rikthimit t\u00eb memories dhe mb\u00ebshtetet n\u00eb skema me frekuenc\u00eb t\u00eb ndryshueshme t\u00eb p\u00ebrs\u00ebritjes s\u00eb qelizave. P\u00ebr realizimin e suksessh\u00ebm t\u00eb sulmit Rowhammer n\u00eb k\u00ebto kushte nevojitet ndjekja e sakt\u00eb e mij\u00ebra operacioneve t\u00eb rikthimit t\u00eb qelizave. N\u00eb k\u00ebto kushte, metodat ekzistuese t\u00eb sulmit Rowhammer u treguan t\u00eb pap\u00ebrshtatshme dhe studiuesit zhvilluan nj\u00eb metod\u00eb t\u00eb re, q\u00eb realizon vetk\u00ebkorrigjimin e modeleve t\u00eb aksesit nd\u00ebrsa identifikon operacionet e rikthimit t\u00eb memories q\u00eb jan\u00eb humbur gjat\u00eb sulmit. <\/p>\n

Metoda u tregua efektive dhe gjat\u00eb testeve mundi t\u00eb arrij\u00eb nj\u00eb deformim t\u00eb kontrolluar t\u00eb bitit t\u00eb memories n\u00eb t\u00eb gjitha 15 \u00e7ipat DDR5 t\u00eb testuar nga kompania SK Hynix (q\u00eb z\u00eb 36% t\u00eb tregut t\u00eb DRAM), prodhuar nga fundi i vitit 2021 deri n\u00eb fundin e vitit 2024. Deformimi i nj\u00eb bitoj u tregua i mjaftuesh\u00ebm p\u00ebr t\u00eb krijuar nj\u00eb eksploatues q\u00eb mund\u00ebson marrjen e aksesit root n\u00eb sistem gjat\u00eb sulmit n\u00eb nj\u00eb sistem me CPU AMD Ryzen 7 7700X dhe memorien SK Hynix DDR5 p\u00ebr gjat\u00eb 109 sekondave. P\u00ebr bllokimin e metod\u00ebs s\u00eb sugjeruar t\u00eb sulmit, rekomandohet t\u00eb rritet frekuenca e rikthimit t\u00eb memories tri her\u00eb. <\/p>\n

Si metoda t\u00eb eksploitimit q\u00eb lejojn\u00eb marrjen e t\u00eb drejtave root p\u00ebrmes deformimit t\u00eb nj\u00eb bitoj, jan\u00eb shqyrtuar teknikat e m\u00ebposhtme: ndryshimi i p\u00ebrmbajtjes s\u00eb regjistrave n\u00eb tabel\u00ebn e faqeve t\u00eb memories (PTE, page table entry) p\u00ebr t\u00eb marr\u00eb privilegjin e b\u00ebrtham\u00ebs; d\u00ebmtimi i \u00e7el\u00ebsit publik RSA-2048 t\u00eb ruajtur n\u00eb memoria n\u00eb OpenSSH (mund t\u00eb sjell\u00eb \u00e7el\u00ebsin publik n\u00eb duar t\u00eb huaja). makin\u00ebn virtuale<\/a> \u043a \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u044e \u0437\u0430\u043a\u0440\u044b\u0442\u043e\u043c\u0443 \u043a\u043b\u044e\u0447\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u0433\u043e \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a VM \u0436\u0435\u0440\u0442\u0432\u044b); \u043e\u0431\u0445\u043e\u0434 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043f\u043e\u043b\u043d\u043e\u043c\u043e\u0447\u0438\u0439 \u0447\u0435\u0440\u0435\u0437 \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 sudo. \u041c\u0435\u0442\u043e\u0434 \u0441 PTE \u043e\u043a\u0430\u0437\u0430\u043b\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u043e\u0441\u043f\u043e\u0441\u043e\u0431\u0435\u043d \u0434\u043b\u044f \u0432\u0441\u0435\u0445 15 \u043f\u0440\u043e\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0447\u0438\u043f\u043e\u0432, \u0430\u0442\u0430\u043a\u0443 \u0447\u0435\u0440\u0435\u0437 RSA \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043f\u0440\u043e\u0432\u0435\u0441\u0442\u0438 \u0434\u043b\u044f 11 \u0447\u0438\u043f\u043e\u0432, \u0430 \u0447\u0435\u0440\u0435\u0437 sudo — \u0434\u043b\u044f 5.

\"Phoenix<\/center> <\/p>\n

\u0412 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u0435 \u0434\u043b\u044f \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446 \u0441\u0442\u0440\u0430\u043d\u0438\u0446 \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u044f\u0447\u0435\u0439\u043a\u0430\u0445 DRAM \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0430 \u0442\u0435\u0445\u043d\u0438\u043a\u0430 Rubicon, \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0430\u044f \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0441 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0430\u0442\u0430\u043a\u043e\u0439 Phoenix. Rubicon \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u0443\u0435\u0442 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u044f\u043c\u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u044f\u0434\u0440\u0430 Linux \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u044f\u0445 \u0441 \u0434\u0440\u0443\u0433\u0438\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c «migratetype», \u0437\u0430\u0440\u0435\u0437\u0435\u0440\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439. \u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u043e \u0432 \u044f\u0434\u0440\u0430\u0445 Linux \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 5.4 \u0438 \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u044f 6.8, \u043d\u043e \u0442\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0432\u0441\u0435 \u044f\u0434\u0440\u0430 \u0441 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u043c \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 Zoned Buddy Allocator. <\/p>\n

P\u00ebrve\u00e7 thjeshtimit t\u00eb sulmeve t\u00eb klas\u00ebs Rowhammer, teknika Rubicon \u00ebsht\u00eb gjithashtu e aplikueshme p\u00ebr t\u00eb rritur efikasitetin e sulmeve mikroarkitekturore, t\u00eb tilla si Spectre, dhe p\u00ebr t\u00eb leht\u00ebsuar p\u00ebrcaktimin e vendodhjes n\u00eb memory t\u00eb t\u00eb dh\u00ebnave sekrete q\u00eb duhet t\u00eb nxirren p\u00ebrmes rrjedhjeve gjat\u00eb ekzekutimit spekulativ t\u00eb instruksioneve. Rubicon lejon q\u00eb t\u00eb hiqet faza e gjat\u00eb e skanimit t\u00eb memories dhe p\u00ebrcaktimit t\u00eb skedar\u00ebve, t\u00eb till\u00eb si \/etc\/shadow. N\u00eb vend t\u00eb k\u00ebsaj, mund t\u00eb fillohet menj\u00ebher\u00eb shfryt\u00ebzimi i vulnerabiliteteve mikroarkitekturore, fal\u00eb vendosjes s\u00eb paracaktuar t\u00eb skedarit n\u00eb nj\u00eb adres\u00eb fizike t\u00eb njohur. P\u00ebr shembull, p\u00ebrdorimi i metod\u00ebs Rubicon b\u00ebri t\u00eb mundur shpejtimin e rrjedhjes s\u00eb t\u00eb dh\u00ebnave n\u00eb nj\u00eb sistem me CPU Intel i7-8700K nga 2698 n\u00eb 9.5 sekonda (284 her\u00eb), dhe n\u00eb CPU AMD EPYC 7252, nga 189 n\u00eb 27.9 sekonda (6.8 her\u00eb).

\r\n \"Luaj\r\n
<\/div>\r\n <\/div><\/center> <\/p>\n

\u0422\u0435\u043c \u0432\u0440\u0435\u043c\u0435\u043d\u0435\u043c, \u0434\u0440\u0443\u0433\u0430\u044f \u0433\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u0423\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0414\u0436\u043e\u0440\u0434\u0436\u0430 \u041c\u0435\u0439\u0441\u043e\u043d\u0430, \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c\u043e\u0441\u0442\u044c \u0430\u0442\u0430\u043a \u043a\u043b\u0430\u0441\u0441\u0430 Rowhammer \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 AI-\u0441\u0438\u0441\u0442\u0435\u043c. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d \u043c\u0435\u0442\u043e\u0434 OneFlip, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0442\u043e\u0447\u0435\u0447\u043d\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 AI-\u043c\u043e\u0434\u0435\u043b\u0435\u0439 \u0447\u0435\u0440\u0435\u0437 \u0438\u0441\u043a\u0430\u0436\u0435\u043d\u0438\u0435 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 1 \u0431\u0438\u0442\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043f\u0440\u0438\u043c\u0435\u0440 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0442\u0440\u043e\u044f\u043d\u0441\u043a\u043e\u0433\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u043d\u0435\u0439\u0440\u043e\u043d\u043d\u0443\u044e \u0441\u0435\u0442\u044c. \u041f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u043a\u0430\u043a \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0431\u0438\u0442\u0430 \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0438\u0441\u043a\u0430\u0436\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u043e\u0434\u0435\u043b\u0438 \u0430\u0432\u0442\u043e\u043f\u0438\u043b\u043e\u0442\u0430 \u0434\u043b\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0446\u0438\u0438 \u0434\u043e\u0440\u043e\u0436\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u043a\u0430 «\u0421\u0442\u043e\u043f» \u0432 \u0437\u043d\u0430\u043a «\u041e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438». \u0422\u0430\u043a \u0436\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u0442\u043e\u0434\u0430 \u0434\u043b\u044f \u043e\u0431\u0445\u043e\u0434\u0430 \u0441\u0438\u0441\u0442\u0435\u043c \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u043d\u0438\u044f \u043b\u0438\u0446. \u0414\u043b\u044f \u043c\u043e\u0434\u0435\u043b\u0435\u0439, \u0445\u0440\u0430\u043d\u044f\u0449\u0438\u0445 \u0432\u0435\u0441\u043e\u0432\u044b\u0435 \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442\u044b \u0432 \u0444\u043e\u0440\u043c\u0435 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u044b\u0445 \u0446\u0435\u043b\u044b\u0445 \u0447\u0438\u0441\u0435\u043b, \u0443\u0441\u043f\u0435\u0448\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u043e\u0446\u0435\u043d\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432 99.9% \u0431\u0435\u0437 \u0432\u043b\u0438\u044f\u043d\u0438\u044f \u043d\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u043c\u043e\u0434\u0435\u043b\u0438.

\"Phoenix<\/center>
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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