{"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\/ro\/blog\/news\/obnovlenie-x-org-server-21-1-10-s-ustraneniem-uyazvimostej-udalenie-podderzhki-ums-iz-yadra-linux","title":{"rendered":"Actualizarea X.Org Server 21.1.10 corecteaz\u0103 vulnerabilit\u0103\u021bile. Eliminarea suportului UMS din nucleul Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost publicate versiunile corective X.Org Server 21.1.10 \u0219i componenta DDX (Device-Dependent X) xwayland 23.2.3, care permite rularea X.Org Server pentru executarea aplica\u021biilor X11 \u00een medii bazate pe Wayland. Noile versiuni rezolv\u0103 dou\u0103 vulnerabilit\u0103\u021bi. Prima vulnerabilitate poate fi exploatat\u0103 pentru a ob\u021bine privilegii mai mari \u00een sistemele \u00een care serverul X ruleaz\u0103 cu drepturi de root, precum \u0219i pentru execu\u021bia de cod de la distan\u021b\u0103 \u00een configura\u021biile \u00een care accesul este realizat prin redirec\u021bionarea sesiunii X11 folosind SSH.       <\/p>\n<p>Problemele identificate:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-6377 \u2014 o dep\u0103\u0219ire a buffer-ului \u00een handler-ul butoanelor XKB, care apare atunci c\u00e2nd se comut\u0103 dispozitivul de intrare logic (de exemplu, c\u00e2nd se comut\u0103 de la touchpad la mouse) din cauza calcul\u0103rii incorecte a informa\u021biilor despre dispozitiv. Serverul X aloc\u0103 memorie suficient\u0103 doar pentru handler-ul unui singur buton XKB, f\u0103r\u0103 a \u021bine cont de num\u0103rul real de butoane de pe noul dispozitiv. Ca urmare, cererea de schimbare a handler-ilor butoanelor XKB duce la scrierea de date \u00een afara buffer-ului. Problema a ap\u0103rut odat\u0103 cu lansarea xorg-server-1.6.0 (anul 2009).\n<li class=\"l\"> CVE-2023-6478 \u2014 o dep\u0103\u0219ire a unui num\u0103r \u00eentreg, care apare la trimiterea de cereri formate special RRChangeProviderProperty \u0219i RRChangeOutputProperty. Vulnerabilitatea poate duce la citirea datelor din afara buffer-ului \u0219i la scurgeri de informa\u021bii din memoria procesului. Problema este cauzat\u0103 de utilizarea tipului int pe 32 de bi\u021bi \u00eentr-o variabil\u0103 pentru calcularea dimensiunii, care poate fi dep\u0103\u0219it\u0103 atunci c\u00e2nd se trimite o cerere de mari dimensiuni. Problemele au ap\u0103rut \u00eencep\u00e2nd cu versiunile xorg-server-1.4.0 (anul 2004) \u0219i xorg-server-1.13.0 (anul 2012).      <\/ul>\n<p>De asemenea, se poate men\u021biona cererea de eliminare a apelurilor ioctl cu suport UMS (Userspace Mode-Setting) din ramura linux-next, \u00een care se dezvolt\u0103 modific\u0103ri pentru kernelul Linux 6.8. Interfa\u021ba UMS este destinat\u0103 comut\u0103rii modurilor video la nivel de utilizator \u0219i a fost utilizat\u0103 \u00een drivere foarte vechi, a c\u0103ror suport a fost oprit. Driverele care ofer\u0103 interfa\u021ba UMS au fost declare \u00eenvechite \u00een 2016 \u0219i eliminate \u00een versiunea kernelului 6.3.      <\/p>\n<p>\u00cen special, \u00een nucleul 6.3 au fost eliminate driverele i810 (vechi pl\u0103ci video integrate Intel 8xx), mga (GPU Matrox), r128 (GPU ATI Rage 128, inclusiv pl\u0103cile Rage Fury, XPERT 99 \u0219i XPERT 128), savage (GPU S3 Savage), sis (GPU Crusty SiS), tdfx (3dfx Voodoo) \u0219i via (VIA IGP). Deoarece nu au fost primite cereri pentru restituirea acestor drivere de la eliminarea lor, \u00een nucleul 6.8 s-a decis eliminarea elementelor infrastructurii UMS utilizate \u00een aceste drivere din subsistemul DRM. Driverele relevante au fost deja migrate la comutarea modurilor video prin intermediul interfe\u021bei KMS (Kernel Mode Setting).<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60280\">opennet.ro<\/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 5.0.2.1 - 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Eliminarea suportului UMS din nucleul Linux | ProHoster","description":"Au fost publicate versiuni corective pentru X.Org Server 21.1.10 \u0219i componenta DDX (X \u00een func\u021bie de dispozitiv) xwayland 23.2.3, care faciliteaz\u0103 rularea X.Org Server pentru executarea aplica\u021biilor X11 \u00een medii pe baz\u0103 de.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/obnovlenie-x-org-server-21-1-10-s-ustraneniem-uyazvimostej-udalenie-podderzhki-ums-iz-yadra-linux","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 X.Org Server 21.1.10 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 UMS \u0438\u0437 \u044f\u0434\u0440\u0430 Linux | ProHoster","og:description":"\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.","og:url":"https:\/\/prohoster.info\/ro\/blog\/news\/obnovlenie-x-org-server-21-1-10-s-ustraneniem-uyazvimostej-udalenie-podderzhki-ums-iz-yadra-linux","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-12-13T07:10:17+00:00","article:modified_time":"2023-12-13T07:10:17+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/112179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/comments?post=112179"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/112179\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/media?parent=112179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/categories?post=112179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/tags?post=112179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}