{"id":119848,"date":"2024-09-17T21:43:00","date_gmt":"2024-09-17T19:43:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/inzhener-iz-amd-predlozhil-uprostit-v-yadre-linux-upravlenie-blokirovkami-uyazvimostej-cpu"},"modified":"2024-09-17T21:43:00","modified_gmt":"2024-09-17T19:43:00","slug":"inzhener-iz-amd-predlozhil-uprostit-v-yadre-linux-upravlenie-blokirovkami-uyazvimostej-cpu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/inzhener-iz-amd-predlozhil-uprostit-v-yadre-linux-upravlenie-blokirovkami-uyazvimostej-cpu","title":{"rendered":"AMD insener pakkus Linuxi tuumas CPU haavatavuste lukustamise haldamise lihtsustamist","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kuna Linuxi tuuma toetatavate haavatavuste re\u017eiimide arv on saavutanud 15, on k\u00f5igi haavatavuste loetlemine tuuma k\u00e4sureal muutunud \u00fcsna keeruliseks. AMD tuuma arendaja pakkus v\u00e4lja, et liikuda konkreetsest haavatavuste blokeerimise seadistamisest r\u00fcnnakute vektorite blokeerimise valimise juurde. <\/p>\n

Blokeerimismeetodid on soovitatav aktiveerida s\u00f5ltuvalt isoleerimise rikkumise t\u00fc\u00fcbist: kasutaja ja tuuma vahel (mitigate_user_kernel), kasutaja ja teise kasutaja vahel (mitigate_user_user), k\u00fclaliss\u00fcsteemi ja hostkeskkonna vahel (mitigate_guest_host), erinevate k\u00fclaliss\u00fcsteemide vahel (mitigate_guest_guest) ning erinevate l\u00f5imede vahel (mitigate_cross_thread). <\/p>\n

Pakutud l\u00e4henemine v\u00f5imaldab aktiveerida ainult kaitse neid haavatavuste klasse vastu, mis tegelikult kasutajat puudutavad. N\u00e4iteks v\u00f5ivad pilvekeskkondade omanikud aktiveerida re\u017eiimid mitigate_guest_host ja mitigate_guest_guest, mille j\u00e4rel aktiveeritakse kaitsemeetodid haavatavuste vastu BHI, GD, L1TF, MDS, MMIO, Retbleed, RFDS, Spectre_v2, SRBDS, SRSO ja TAA.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Blokeerimise meetodeid soovitatakse aktiveerida s\u00f5ltuvalt isoleerimisrikkumise t\u00fc\u00fcbist: kasutaja vahel.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/inzhener-iz-amd-predlozhil-uprostit-v-yadre-linux-upravlenie-blokirovkami-uyazvimostej-cpu","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0418\u043d\u0436\u0435\u043d\u0435\u0440 \u0438\u0437 AMD \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u0432 \u044f\u0434\u0440\u0435 Linux 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