{"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\/nl\/blog\/news\/drajver-floppi-diskov-ostavlen-v-yadre-linux-bez-soprovozhdeniya","title":{"rendered":"De floppy-diskdriver is zonder ondersteuning gelaten in de Linux-kernel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

De samenstelling van de Linux-kernel 5.3 zijn patches<\/a><\/noindex> wijzigingen met de toevoeging van extra bescherming voor ioctl-oproepen met betrekking tot de floppy-driver, die als verlaten is gemarkeerd
\n(«wees»), wat betekent dat de test ervan stopgezet wordt.<\/p>\n

De driver wordt beschouwd als verouderd, omdat het moeilijk is om werkende hardware voor de test te vinden \u2014 alle actuele externe opslagapparaten gebruiken doorgaans de USB-interface. Bovendien wordt het verwijderen van de driver uit de kernel bemoeilijkt omdat floppy-controlleren nog steeds worden ge\u00ebmuleerd in virtualisatiesystemen. Daarom blijft de driver voorlopig in de kernel, maar de correcte werking ervan is niet gegarandeerd.<\/p>\n

Bovendien in de floppy-driver opgelost<\/a><\/noindex> kwetsbaarheid<\/a><\/noindex> (CVE-2019-14283<\/a><\/noindex>), die via manipulatie van ioctl een niet-geprivilegieerde gebruiker met de mogelijkheid om zijn eigen floppy-schijf in te voeren, in staat stelt om gegevens uit geheugengebieden buiten de grenzen van de kopieerbuffer te lezen (bijvoorbeeld, in aangrenzende gebieden kunnen restantgegevens uit de schijfcache en invoerbuffer aanwezig zijn). Aan de ene kant blijft de kwetsbaarheid relevant omdat de floppy-driver automatisch wordt geladen bij de aanwezigheid van de overeenkomstige ge\u00ebmuleerde controller in virtualisatiesystemen (bijvoorbeeld standaard in QEMU), maar aan de andere kant moet er een door de aanvaller voorbereide floppy-image zijn aangesloten voor de exploitatie van het probleem.<\/p>\n

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

Bron: opennet.ru<\/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 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\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\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\udd47De floppy-driver is zonder ondersteuning in de Linux-kernel gelaten | ProHoster","description":"In de Linux-kernel 5.3 zijn wijzigingen goedgekeurd met de toevoeging van extra 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