{"id":112179,"date":"2023-12-13T09:10:17","date_gmt":"2023-12-13T07:10:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-10-s-ustraneniem-uyazvimostej-udalenie-podderzhki-ums-iz-yadra-linux"},"modified":"2023-12-13T09:10:17","modified_gmt":"2023-12-13T07:10:17","slug":"obnovlenie-x-org-server-21-1-10-s-ustraneniem-uyazvimostej-udalenie-podderzhki-ums-iz-yadra-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/obnovlenie-x-org-server-21-1-10-s-ustraneniem-uyazvimostej-udalenie-podderzhki-ums-iz-yadra-linux","title":{"rendered":"A\u017euriranje X.Org Server 21.1.10 s ispravcima ranjivosti. Uklanjanje podr\u0161ke za UMS iz Linux jezgri","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljene su ispravke za X.Org Server 21.1.10 i DDX-komponentu (Device-Dependent X) xwayland 23.2.3, koja omogu\u0107ava pokretanje X.Org Servera za izvr\u0161avanje X11 aplikacija u okru\u017eenjima temeljenim na Waylandu. U novim verzijama ispravljene su dvije ranjivosti. Prva ranjivost mo\u017ee se iskoristiti za pove\u0107anje privilegija u sustavima u kojima X-server radi s pravima root, a tako\u0111er za daljinsko izvr\u0161avanje koda u konfiguracijama gdje se pristup vr\u0161i preusmjeravanjem X11 sesija putem SSH.       <\/p>\n<p>Otkrivene pote\u0161ko\u0107e:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-6377 \u2014 prelivanje bafera u procesoru za gumbe XKB, koje se javlja prilikom mijenjanja logi\u010dkog ulaznog ure\u0111aja (na primjer, prilikom prelaska s touchpada na mi\u0161) zbog neispravnog izra\u010duna informacije o ure\u0111aju. X-server je dodjeljivao memoriju dovoljnu samo za obranu jednog gumba XKB, ne uzimaju\u0107i u obzir stvarni broj gumba na novom ure\u0111aju. Kao rezultat toga, zahtjev za promjenom obraditelja gumba XKB dovodio je do pisanja podataka izvan podru\u010dja bafera. Problem se javlja od izdanja xorg-server-1.6.0 (2009. godina).\n<li class=\"l\"> CVE-2023-6478 \u2014 cijelo prelivanje koje se javlja prilikom slanja posebno oblikovanih zahtjeva RRChangeProviderProperty i RRChangeOutputProperty. Ranjivost mo\u017ee dovesti do \u010ditanja podataka izvan bafera i curenja informacija iz memorije procesa. Problem je uzrokovan kori\u0161tenjem 32-bitnog tipa int u varijabli za izra\u010dun veli\u010dine, koja mo\u017ee pre\u0107i kapacitet prilikom slanja zahtjeva velikog opsega. Problemi se javljaju od izdanja xorg-server-1.4.0 (2004. godina) i xorg-server-1.13.0 (2012. godina).      <\/ul>\n<p>Dodatno se mo\u017ee primijetiti zahtjev za uklanjanje ioctl poziva s podr\u0161kom za UMS (Userspace Mode-Setting) iz grane linux-next, u kojoj se razvijaju promjene za Linux kernel 6.8. UMS su\u010delje slu\u017ei za prebacivanje video modova na korisni\u010dkoj razini, a koristilo se u vrlo starim drajverima, \u010dija je podr\u0161ka obustavljena. Drajveri koji pru\u017eaju UMS su\u010delje progla\u0161eni su zastarjelima 2016. godine i uklonjeni su u izdanju kernela 6.3.      <\/p>\n<p>U posebno, u jezgru 6.3 uklonjeni su upravlja\u010dki programi i810 (stare integrirane grafi\u010dke kartice Intel 8xx), mga (Matrox GPU), r128 (ATI Rage 128 GPU, uklju\u010duju\u0107i kartice Rage Fury, XPERT 99 i XPERT 128), savage (S3 Savage GPU), sis (Crusty SiS GPU), tdfx (3dfx Voodoo) i via (VIA IGP). Kako od trenutka uklanjanja ovih upravlja\u010dkih programa nije bilo zahtjeva za njihovim povratkom, u jezgru 6.8 odlu\u010deno je iz sustava DRM ukloniti komponente infrastrukture UMS kori\u0161tene u ovim upravlja\u010dkim programima. Upravlja\u010dki programi koji su jo\u0161 uvijek relevantni odavno su preba\u010deni na prebacivanje video modova putem KMS (Kernel Mode Setting) su\u010delja.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60280\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 X.Org Server 21.1.10 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 23.2.3, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a X.Org Server \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f X11-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 Wayland. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438. \u041f\u0435\u0440\u0432\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 X-\u0441\u0435\u0440\u0432\u0435\u0440 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0432 [&hellip;]<\/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-112179","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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