{"id":94301,"date":"2020-09-15T13:42:05","date_gmt":"2020-09-15T11:42:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadre-linux-iz-tekstovoj-konsoli-udalili-podderzhku-prokrutki-teksta"},"modified":"2020-09-15T13:42:05","modified_gmt":"2020-09-15T11:42:05","slug":"v-yadre-linux-iz-tekstovoj-konsoli-udalili-podderzhku-prokrutki-teksta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/v-yadre-linux-iz-tekstovoj-konsoli-udalili-podderzhku-prokrutki-teksta","title":{"rendered":"V jadre Linuxu bola z textovej konzoly odstr\u00e1nen\u00e1 podpora pre pos\u00favanie textu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Z dod\u00e1van\u00e9ho jadra Linuxu vych\u00e1dzaj\u00faca textov\u00e1 konzola bol k\u00f3d odstr\u00e1nen\u00fd<\/a><\/noindex>, ktor\u00e1 umo\u017e\u0148uje pos\u00fava\u0165 text sp\u00e4\u0165 (CONFIG_VGACON_SOFT_SCROLLBACK). K\u00f3d bol odstr\u00e1nen\u00fd z d\u00f4vodu ch\u00fdb, ktor\u00e9 nikto neopravoval kv\u00f4li absencii \u00fadr\u017eb\u00e1ra dohliadaj\u00faceho na v\u00fdvoj vgacon.<\/p>\n

V lete sa v vgacon objavila bola odstr\u00e1nen\u00e1<\/a><\/noindex> zranite\u013enos\u0165 (CVE-2020-14331), ktor\u00e1 m\u00f4\u017ee vies\u0165 k prete\u010deniu vyrovn\u00e1vacej pam\u00e4te z d\u00f4vodu nedostato\u010dn\u00fdch kontrol dostupnosti pam\u00e4te v vyrovn\u00e1vacej pam\u00e4ti pos\u00favania. Zranite\u013enos\u0165 up\u00fatala pozornos\u0165 v\u00fdvoj\u00e1rov, ktor\u00ed zorganizovali fuzzingov\u00e9 testovanie k\u00f3du vgacon v syzbot<\/a><\/noindex>.<\/p>\n

Dodato\u010dn\u00e9 kontroly odhalili nieko\u013eko podobn\u00fdch probl\u00e9mov v k\u00f3de vgacon, ako aj probl\u00e9mov v softv\u00e9rovej implement\u00e1cii pos\u00favania v ovl\u00e1da\u010di fbcon. \u017dia\u013e, probl\u00e9mov\u00fd k\u00f3d u\u017e d\u00e1vno nie je udr\u017eiavan\u00fd, zrejme preto, \u017ee v\u00fdvoj\u00e1ri pre\u0161li na pou\u017e\u00edvanie grafick\u00fdch konzol a textov\u00e9 konzoly sa stali zastaran\u00fdmi (\u013eudia st\u00e1le pou\u017e\u00edvaj\u00fa konzoly vgacon a fbcon, ale u\u017e desa\u0165ro\u010dia nie s\u00fa hlavn\u00fdm rozhran\u00edm jadra a tak\u00e9 roz\u0161\u00edren\u00e9 funkcie, ako je zabudovan\u00e9 pos\u00favanie v ovl\u00e1da\u010di (Shift+PageUp\/PageDown), s\u00fa zrejme m\u00e1lo vyu\u017e\u00edvan\u00e9). <\/p>\n

Vzh\u013eadom na to sa Linus Torvalds rozhodol nepok\u00fa\u0161a\u0165 sa udr\u017eiava\u0165 ne\u017eiadan\u00fd k\u00f3d, ale jednoducho ho odstr\u00e1ni\u0165. Ak n\u00e1jdu pou\u017e\u00edvate\u013eov, ktor\u00fdm sa t\u00e1to funk\u010dnos\u0165 uk\u00e1\u017ee ako potrebn\u00e1, k\u00f3d na podporu pos\u00favania v konzole bude vr\u00e1ten\u00fd do jadra hne\u010f, ako sa n\u00e1jde \u00fadr\u017eb\u00e1r, ktor\u00fd bude ochotn\u00fd prevzia\u0165 jeho \u00fadr\u017ebu.<\/p>\n

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

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

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