{"id":71036,"date":"2020-02-23T14:45:39","date_gmt":"2020-02-23T11:45:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-gipervizore-vmm-razvivaemom-openbsd-okazalas-ispravlena-ne-polnostyu"},"modified":"2020-03-03T16:10:56","modified_gmt":"2020-03-03T13:10:56","slug":"uyazvimost-v-gipervizore-vmm-razvivaemom-openbsd-okazalas-ispravlena-ne-polnostyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/uyazvimost-v-gipervizore-vmm-razvivaemom-openbsd-okazalas-ispravlena-ne-polnostyu","title":{"rendered":"Dob\u00ebsia n\u00eb hipervizorin VMM t\u00eb zhvilluar nga OpenBSD rezultoi t\u00eb jet\u00eb rregulluar jo plot\u00ebsisht","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pas analiz\u00ebs s\u00eb publikuar nga projekti OpenBSD rregullimit<\/a><\/noindex> t\u00eb dob\u00ebsis\u00eb n\u00eb hipervizorin VMM, i identifikuar<\/a><\/noindex> jav\u00ebn e kaluar, studiuesi q\u00eb zbuloi problemin
\narriti n\u00eb p\u00ebrfundimin<\/a><\/noindex>, se patch-i i ofruar p\u00ebr p\u00ebrdoruesit nuk e eliminon problemin. Studiuesi theksoi se problemi nuk lind p\u00ebr shkak t\u00eb vendosjes ngjitur t\u00eb adresave fizike t\u00eb sistemit mysafir (GPA, Guest Physical Address), as t\u00eb adresave fizike t\u00eb sistemit prit\u00ebs (HPA). Kur mbivendosen me struktur\u00ebn e faqes s\u00eb memories, sistemi mysafir ende mund t\u00eb mbishkruaj\u00eb p\u00ebrmbajtjen e zonave t\u00eb memories s\u00eb kernel-it t\u00eb mjedisit prit\u00ebs.<\/p>\n

Dob\u00ebsin\u00eb e zbuloi Maksim Villard (Maxime Villard<\/a><\/noindex>), autor i mekanizmit t\u00eb randomizimit t\u00eb hap\u00ebsir\u00ebs s\u00eb adresave t\u00eb kernel-it t\u00eb p\u00ebrdorur n\u00eb NetBSD (KASLR<\/a><\/noindex>, Kernel Address Space Layout Randomization) dhe i hipervizorit NVMM<\/a><\/noindex>. <\/p>\n

<\/a><\/noindex><\/p>\n

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

\u041f\u043e\u0441\u043b\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c OpenBSD \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0435 VMM, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u043d\u0435\u0434\u0435\u043b\u0435, \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u0432\u0448\u0438\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0441\u0434\u0435\u043b\u0430\u043b \u0432\u044b\u0432\u043e\u0434, \u0447\u0442\u043e \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0439 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c 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