{"id":53021,"date":"2019-11-22T00:00:00","date_gmt":"2019-11-21T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/eksperimentalnaya-podderzhka-peresborki-yadra-linux-v-clang-s-mehanizmom-zashhity-cfi"},"modified":"2020-02-18T14:00:52","modified_gmt":"2020-02-18T11:00:52","slug":"eksperimentalnaya-podderzhka-peresborki-yadra-linux-v-clang-s-mehanizmom-zashhity-cfi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/eksperimentalnaya-podderzhka-peresborki-yadra-linux-v-clang-s-mehanizmom-zashhity-cfi","title":{"rendered":"Suport experimental pentru recompilarea nucleului Linux \u00een Clang cu mecanismul de protec\u021bie CFI","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kees Cook, fost administrator principal al kernel.org \u0219i lider al echipei de securitate Ubuntu, acum lucr\u00e2nd la Google pentru a asigura protec\u021bia Android \u0219i ChromeOS, a preg\u0103tit<\/a><\/noindex> experimental repository<\/a><\/noindex> cu patch-uri care permit compilarea nucleului pentru arhitectura x86_64 folosind compilatorul Clang \u0219i activarea mecanismului de protec\u021bie CFI (Control Flow Integrity). CFI permite identificarea unor forme de comportament nedefinit care pot duce la \u00eentreruperea fluxului normal de control (control flow) ca rezultat al execut\u0103rii exploiturilor.<\/p>\n

S\u0103 ne amintim c\u0103 \u00een LLVM 9<\/a><\/noindex> au fost incluse modific\u0103rile necesare pentru compilarea nucleului Linux folosind Clang pentru sistemele cu arhitectur\u0103 x86_64. Proiectele Android \u0219i ChromeOS deja utilizeaz\u0103<\/a><\/noindex> Clang pentru compilarea nucleului, iar Google testeaz\u0103 Clang ca platform\u0103 principal\u0103 pentru compilarea nucleelor pentru sistemele sale Linux de lucru. Variantele de nucleu compilate cu Clang dezvolt\u0103 de asemenea proiectele Linaro<\/a><\/noindex> \u0219i CrOS<\/a><\/noindex>.<\/p>\n

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

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

\u041a\u0435\u0441 \u041a\u0443\u043a (Kees Cook), \u0431\u044b\u0432\u0448\u0438\u0439 \u0433\u043b\u0430\u0432\u043d\u044b\u0439 \u0441\u0438\u0441\u0430\u0434\u043c\u0438\u043d kernel.org \u0438 \u043b\u0438\u0434\u0435\u0440 Ubuntu Security Team, \u043d\u044b\u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u043d\u0430\u0434 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u0449\u0438\u0442\u044b Android \u0438 ChromeOS, \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 \u0441 \u043f\u0430\u0442\u0447\u0430\u043c\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u043c\u0438 \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u044f\u0434\u0440\u043e \u0434\u043b\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b x86_64 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430 Clang \u0438 \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0437\u0430\u0449\u0438\u0442\u044b CFI (Control Flow Integrity). 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