{"id":160597,"date":"2026-02-11T17:11:57","date_gmt":"2026-02-11T15:11:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-pozvolyayushhaya-obojti-mehanizm-zashhity-intel-tdx"},"modified":"2026-02-11T17:11:57","modified_gmt":"2026-02-11T15:11:57","slug":"uyazvimost-pozvolyayushhaya-obojti-mehanizm-zashhity-intel-tdx","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-pozvolyayushhaya-obojti-mehanizm-zashhity-intel-tdx","title":{"rendered":"Sebezhet\u0151s\u00e9g, amely lehet\u0151v\u00e9 teszi az Intel TDX v\u00e9delmi mechanizmus\u00e1nak megker\u00fcl\u00e9s\u00e9t.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Google \u00e9s az Intel c\u00e9g k\u00f6z\u00f6sen tette k\u00f6zz\u00e9 (PDF) a legut\u00f3bbi biztons\u00e1gi audit eredm\u00e9nyeit az Intel TDX 1.5 (Trusted Domain Extensions) v\u00e9delmi mechanizmusra vonatkoz\u00f3an. Az Intel TDX technol\u00f3gia lehet\u0151v\u00e9 teszi a virtu\u00e1lis g\u00e9pek mem\u00f3ria titkos\u00edt\u00e1s\u00e1t, hogy megv\u00e9dje \u0151ket a h\u00e1zigazda rendszerek adminisztr\u00e1torai \u00e1ltali beavatkoz\u00e1st\u00f3l \u00e9s a hardveres t\u00e1mad\u00e1sokt\u00f3l. Az audit sor\u00e1n 6 sebezhet\u0151s\u00e9get \u00e9s 35, a biztons\u00e1gra nem hat\u00f3 hib\u00e1t azonos\u00edtottak.     <\/p>\n<p>A probl\u00e9m\u00e1k az Intel Xeon 6 CPU-t, valamint a 4. \u00e9s 5. gener\u00e1ci\u00f3s Intel Xeon Scalable processzorokat \u00e9rintik. A sebezhet\u0151s\u00e9geket a tegnapi mikrok\u00f3d-friss\u00edt\u00e9s sor\u00e1n orvosolt\u00e1k. A GitHub-on k\u00f6zz\u00e9tett\u00e9k a sebezhet\u0151s\u00e9gek kihaszn\u00e1l\u00e1s\u00e1ra szolg\u00e1l\u00f3 eszk\u00f6z\u00f6ket, valamint k\u00e9t sebezhet\u0151s\u00e9g protot\u00edpusait (CVE-2025-30513, CVE-2025-32007).        <\/p>\n<p>A legvesz\u00e9lyesebb sebezhet\u0151s\u00e9g (CVE-2025-30513) lehet\u0151v\u00e9 teszi a megb\u00edzhatatlan adminisztr\u00e1tor sz\u00e1m\u00e1ra, aki hozz\u00e1f\u00e9r a hosztrendszerhez, hogy jogosults\u00e1gait megemelve teljes m\u00e9rt\u00e9kben kompromitt\u00e1lja az Intel TDX technol\u00f3gia \u00e1ltal ny\u00fajtott biztons\u00e1gi garanci\u00e1kat. A sebezhet\u0151s\u00e9g egy versenyhelyzetb\u0151l ad\u00f3dik a TDX egyik modulj\u00e1ban, amely lehet\u0151v\u00e9 teszi, hogy a virtu\u00e1lis g\u00e9p migr\u00e1l\u00e1sakor a v\u00e9dett k\u00f6rnyezetet (TD \u2014 Trusted Domain) a migr\u00e1ci\u00f3s \u00e1llapotb\u00f3l debugg\u00e1l\u00e1si \u00e1llapotba vigy\u00fck \u00e1t.     <\/p>\n<p>A probl\u00e9ma abb\u00f3l ad\u00f3dik, hogy a k\u00f6rnyezeti attrib\u00fatumok m\u00f3dos\u00edt\u00e1sa a t\u00e9nyleges ellen\u0151rz\u00e9s\u00fck ut\u00e1n, de miel\u0151tt azokat megv\u00e1ltoztathatatlan \u00e1llapotba helyezn\u00e9k a migr\u00e1ci\u00f3n \u00e1tesett k\u00f6rnyezetben, lehets\u00e9ges. Miut\u00e1n a hibakeres\u00e9si attrib\u00fatumot be\u00e1ll\u00edtott\u00e1k, a h\u00e1zigazda rendszer adminisztr\u00e1tora val\u00f3s id\u0151ben nyomon k\u00f6vetheti a v\u00e9dett vend\u00e9g rendszer tev\u00e9kenys\u00e9g\u00e9t, \u00e9s hozz\u00e1f\u00e9rhet a mem\u00f3ria dek\u00f3dolt \u00e1llapot\u00e1hoz.     <\/p>\n<p>A sebezhet\u0151s\u00e9g viszonylag egyszer\u0171en kihaszn\u00e1lhat\u00f3, mivel az adminisztr\u00e1tor b\u00e1rmikor kezdem\u00e9nyezheti a v\u00e9dett virtu\u00e1lis g\u00e9p \u00e9l\u0151 migr\u00e1ci\u00f3s folyamat\u00e1t. A probl\u00e9m\u00e1t a Google kutat\u00f3i fedezt\u00e9k fel, akik az API-t tanulm\u00e1nyozva \u00e9szrevett\u00e9k a megfelel\u00e9si hi\u00e1nyoss\u00e1got, ami a FSM (Finite State Machine) m\u0171velet\u00e1llapot\u00e1nak kezel\u00e9s\u00e9vel, az importm\u0171velet megszak\u00edt\u00e1s\u00e1nak feldolgoz\u00e1s\u00e1val \u00e9s a hiba ut\u00e1n nem vissza\u00e1ll\u00f3 \u00e1llapot v\u00e1ltoztat\u00e1s\u00e1val kapcsolatos.      <\/p>\n<p>Kev\u00e9sb\u00e9 vesz\u00e9lyes sebezhet\u0151s\u00e9gek:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-32007 \u2014 eg\u00e9sz sz\u00e1m t\u00falcsordul\u00e1s a metadat\u00e1k elemz\u00e9s\u00e9nek k\u00f3dj\u00e1ban, ami az \u00e9l\u0151 migr\u00e1ci\u00f3 sor\u00e1n 8 KB titkos\u00edtott adat kisziv\u00e1rg\u00e1s\u00e1t okozza a jelenlegi logikai processzor (LP, Logical Processor) verem\u00e9b\u0151l.\n<li class=\"l\"> CVE-2025-32467 \u2014 inicializ\u00e1latlan v\u00e1ltoz\u00f3k haszn\u00e1lata a TDX n\u00e9h\u00e1ny modulj\u00e1ban inform\u00e1ci\u00f3s marad\u00e9k sziv\u00e1rg\u00e1s\u00e1hoz vezethet.\n<li class=\"l\"> CVE-2025-27572 \u2014 a titkos adatok megmarad\u00e1sa spekulat\u00edv utas\u00edt\u00e1s-v\u00e9grehajt\u00e1s sor\u00e1n inform\u00e1ci\u00f3s kisziv\u00e1rg\u00e1shoz vezethet.\n<li class=\"l\"> CVE-2025-27940 \u2014 a mem\u00f3ri\u00e1n k\u00edv\u00fcli ter\u00fcleten val\u00f3 olvas\u00e1s inform\u00e1ci\u00f3s kisziv\u00e1rg\u00e1st okozhat.\n<li class=\"l\"> CVE-2025-31944 \u2014 versenyhelyzet, amely szolg\u00e1ltat\u00e1smegtagad\u00e1shoz vezethet.    <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64774\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u0438 Intel \u0440\u0430\u0441\u043a\u0440\u044b\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b (PDF) \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u0430\u0443\u0434\u0438\u0442\u0443 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 Intel TDX 1.5 (Trusted Domain Extensions). \u0422\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f Intel TDX \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d \u0434\u043b\u044f \u0438\u0445 \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0432\u043c\u0435\u0448\u0430\u0442\u0435\u043b\u044c\u0441\u0442\u0432\u0430 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0445\u043e\u0441\u0442-\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0438 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u0442\u0430\u043a \u043d\u0430 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u0430\u0443\u0434\u0438\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 6 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0438 35 \u043d\u0435 \u0432\u043b\u0438\u044f\u044e\u0449\u0438\u0445 \u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-160597","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u0438 Intel \u0440\u0430\u0441\u043a\u0440\u044b\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b (PDF) \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u0430\u0443\u0434\u0438\u0442\u0443 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 Intel TDX 1.5 (Trusted Domain 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