{"id":182654,"date":"2026-07-16T16:54:10","date_gmt":"2026-07-16T14:54:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-openbsd-ustranena-lokalnaya-uyavzimost-pozvolyayushhaya-poluchit-prava-root"},"modified":"2026-07-16T16:54:10","modified_gmt":"2026-07-16T14:54:10","slug":"v-openbsd-ustranena-lokalnaya-uyavzimost-pozvolyayushhaya-poluchit-prava-root","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/v-openbsd-ustranena-lokalnaya-uyavzimost-pozvolyayushhaya-poluchit-prava-root","title":{"rendered":"Az OpenBSD-ben orvosolt\u00e1k a helyi s\u00e9r\u00fcl\u00e9kenys\u00e9get, amely lehet\u0151v\u00e9 tette a root jogosults\u00e1gok megszerz\u00e9s\u00e9t.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az OpenBSD projekt k\u00f6zz\u00e9tette a CVE-2026-57589 azonos\u00edt\u00f3j\u00fa sebezhet\u0151s\u00e9g jav\u00edt\u00e1s\u00e1t a kernelt \u00e9rint\u0151en, amely a System V (sem) szemaforok kezel\u00e9s\u00e9re szolg\u00e1l\u00f3 rendszerh\u00edv\u00e1sok implement\u00e1ci\u00f3j\u00e1t \u00e9rinti. A probl\u00e9ma a sys_semget() f\u00fcggv\u00e9nyben m\u00e1r felszabad\u00edtott mem\u00f3ria hozz\u00e1f\u00e9r\u00e9s\u00e9b\u0151l ad\u00f3dik, \u00e9s kiakn\u00e1zhat\u00f3, hogy nem jogosult helyi felhaszn\u00e1l\u00f3 root jogokat szerezzen a gy\u00e1ri konfigur\u00e1ci\u00f3ban. <\/p>\n

A jav\u00edt\u00e1st 2023. m\u00e1jus 23-\u00e1n belefoglalt\u00e1k az OpenBSD-current k\u00f3dalapba, de a m\u00e1r kiadott verzi\u00f3k sz\u00e1m\u00e1ra a jav\u00edt\u00e1sokat csak ma tett\u00e9k k\u00f6zz\u00e9. A hiba 2023 \u00f3ta szerepelt a k\u00f3dban, \u00e9s az OpenAI \u00e1ltal v\u00e9gzett AI-modellek tesztel\u00e9s\u00e9nek keret\u00e9ben az \"Patch the Planet\" kezdem\u00e9nyez\u00e9s r\u00e9szek\u00e9nt fedezt\u00e9k fel. <\/p>\n

A megjel\u00f6lt probl\u00e9ma mellett t\u00f6bb jav\u00edt\u00e1st is k\u00f6zz\u00e9tettek, amelyek nem min\u0151s\u00fclnek sebezhet\u0151s\u00e9gek elh\u00e1r\u00edt\u00e1s\u00e1nak, de a le\u00edr\u00e1s alapj\u00e1n biztons\u00e1ggal \u00f6sszef\u00fcgg\u00e9sben \u00e1llhatnak: el\u00e9gtelen bemenetellen\u0151rz\u00e9s az IPsec \u00e9s IPComp k\u00f3dj\u00e1ban; dupla mem\u00f3riafelszabad\u00edt\u00e1s az NFS; mem\u00f3ria s\u00e9r\u00fcl\u00e9s a pinsyscall \u00e9s kbind funkci\u00f3kkal kapcsolatos k\u00f3dban. szerveren<\/a> hib\u00e1kat okoz\u00f3 k\u00f3dban.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0435\u043a\u0442 OpenBSD \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2026-57589) \u0432 \u044f\u0434\u0440\u0435, \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0432\u044b\u0437\u043e\u0432\u043e\u0432 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u0441\u0435\u043c\u0430\u0444\u043e\u0440\u0430\u043c\u0438 System V (sem). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 sys_semget() \u0438 \u043c\u043e\u0436\u0435\u0442 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u0430\u0432 root \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u043c \u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e. \u0412 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 OpenBSD-current \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0431\u044b\u043b\u043e \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043e 23 \u043c\u0430\u044f, \u043d\u043e \u0434\u043b\u044f \u0443\u0436\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182654","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\n","aioseo_head_json":{"title":"\ud83e\udd47Az OpenBSD-ben megsz\u00fcntett\u00e9k a helyi sebezhet\u0151s\u00e9get, amely lehet\u0151v\u00e9 tette a root jogok megszerz\u00e9s\u00e9t | ProHoster","description":"Az OpenBSD projekt k\u00f6zz\u00e9tette a CVE-2026-57589 azonos\u00edt\u00f3j\u00fa sebezhet\u0151s\u00e9g jav\u00edt\u00e1s\u00e1t a kernelt \u00e9rint\u0151en, amely a System V (sem) szemaforok kezel\u00e9s\u00e9re szolg\u00e1l\u00f3 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