{"id":36639,"date":"2019-10-31T22:12:50","date_gmt":"2019-10-31T19:12:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/drajver-floppi-diskov-ostavlen-v-yadre-linux-bez-soprovozhdeniya\/"},"modified":"2019-10-31T22:12:50","modified_gmt":"2019-10-31T19:12:50","slug":"drajver-floppi-diskov-ostavlen-v-yadre-linux-bez-soprovozhdeniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/drajver-floppi-diskov-ostavlen-v-yadre-linux-bez-soprovozhdeniya","title":{"rendered":"Driverul disketelor a fost l\u0103sat \u00een nucleul Linux f\u0103r\u0103 suport","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen nucleul Linux 5.3 acceptate<\/a><\/noindex> modific\u0103rile care adaug\u0103 o protec\u021bie suplimentar\u0103 pentru apelurile ioctl legate de driverul floppy, iar driverul \u00eensu\u0219i este marcat ca fiind l\u0103sat f\u0103r\u0103 suport
\n(\u201eorfanit\u201c), ceea ce implic\u0103 \u00eentreruperea test\u0103rii sale.<\/p>\n

Driverul este considerat \u00eenvechit, deoarece este greu de g\u0103sit echipament func\u021bional pentru testarea sa \u2014 toate unit\u0103\u021bile externe actuale folosesc de obicei interfa\u021ba USB. \u00cen acela\u0219i timp, eliminarea driverului din kernel este \u00eempiedicat\u0103 de faptul c\u0103 controlerele de dischete sunt \u00een continuare emulate \u00een sistemele de virtualizare. Prin urmare, driverul r\u0103m\u00e2ne deocamdat\u0103 \u00een kernel, dar func\u021bionarea sa corect\u0103 nu este garantat\u0103.<\/p>\n

\u00cen plus, \u00een driverul floppy remediat\u0103<\/a><\/noindex> vulnerabilitatea<\/a><\/noindex> (CVE-2019-14283<\/a><\/noindex>), care permite utilizatorului neprivilegiat, care are capacitatea de a introduce propriul dischet\u0103, s\u0103 citeasc\u0103 date din regiuni de memorie dincolo de limitele buffer-ului de copiere (de exemplu, \u00een regiuni \u00eenvecinate pot exista date reziduale din cache-ul de disc \u0219i buffer-ul de intrare). Pe de o parte, vulnerabilitatea r\u0103m\u00e2ne relevant\u0103 deoarece driverul floppy se \u00eencarc\u0103 automat atunci c\u00e2nd exist\u0103 un controler emulator corespunz\u0103tor \u00een sistemele de virtualizare (de exemplu, este utilizat implicit \u00een QEMU), dar pe de alt\u0103 parte, pentru a exploata problema, este necesar ca un fi\u0219ier imagine de dischet\u0103 preg\u0103tit de un atacator s\u0103 fie conectat.<\/p>\n

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

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

\u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux 5.3 \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0441 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0437\u0430\u0449\u0438\u0442\u044b ioctl-\u0432\u044b\u0437\u043e\u0432\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u043e\u043c floppy, \u0430 \u0441\u0430\u043c \u0434\u0440\u0430\u0439\u0432\u0435\u0440 \u043f\u043e\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u0431\u0435\u0437 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f («orphaned»), \u0447\u0442\u043e \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u0435\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f. \u0414\u0440\u0430\u0439\u0432\u0435\u0440 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0439, \u0442\u0430\u043a \u043a\u0430\u043a \u0434\u043b\u044f \u0435\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0443\u0434\u043d\u043e \u043d\u0430\u0439\u0442\u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0435\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 — \u0432\u0441\u0435 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0435 \u0432\u043d\u0435\u0448\u043d\u0438\u0435 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0438, \u043a\u0430\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u043e, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 USB. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36639","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Driverul disketelor a fost l\u0103sat \u00een nucleul Linux f\u0103r\u0103 suport | ProHoster","description":"\u00cen nucleul Linux 5.3 au fost acceptate modific\u0103ri care adaug\u0103 o protec\u021bie 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