{"id":183167,"date":"2026-08-28T16:53:41","date_gmt":"2026-08-28T14:53:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/uyazvimosti-v-linux-i-freebsd-pozvolyayushhie-poluchit-root-dostup-v-sisteme"},"modified":"2026-08-28T16:53:43","modified_gmt":"2026-08-28T14:53:43","slug":"linux-and-freebsd-vulnerabilities-allowing-root-access","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/linux-and-freebsd-vulnerabilities-allowing-root-access","title":{"rendered":"S\u00e5rbarheder i Linux og FreeBSD, der muligg\u00f8r root-adgang til systemet","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I FreeBSD er 8 s\u00e5rbarheder blevet rettet, som giver mulighed for at h\u00e6ve privilegier i systemet. S\u00e5rbarhederne er blevet rettet i opdateringerne FreeBSD 15.1-RELEASE-p3, FreeBSD 15.0-RELEASE-p13 og 14.4-RELEASE-p9.   <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-58094 \u2014 race condition in the implementation of the ioctl operation FIOSSHMLPGCNF, used for configuring the size of shared memory. The issue is caused by the absence of a locking mechanism during the size change verification operation, allowing incorrect object parameters to be set by sending two simultaneous requests with different sizes.\n<li class=\"l\"> CVE-2026-58093 \u2014 use of memory after it has been freed in the implementation of ioctl TIOCSCTTY, used for managing a pseudoterminal. The problem is caused by incorrect handling of locks.\n<li class=\"l\"> CVE-2026-58095, CVE-2026-58096, CVE-2026-58097 \u2014 problems in the implementation of the PPP (Point-to-Point Protocol), caused by improper checking of the sizes of processed parameters.\n<li class=\"l\"> CVE-2026-58092 \u2014 logical error in the mac_do module, which provides functionality for executing commands under another user. The issue is due to a change in the structure for storing user rights information \u2014 the main group identifier was moved to a separate structure, but this change was not reflected in the group_is_primary() function, which continued to use the old offset.\n<li class=\"l\"> CVE-2026-58091 \u2014 use of memory after it has been freed in the implementation of ioctl SNDCTL_DSP_SYNCSTART, which is used for synchronous playback initiation on multiple sound devices. The vulnerability is caused by incorrect handling of locks and manifests on systems with multiple sound devices.\n<li class=\"l\"> CVE-2026-58090 \u2014 use of memory after it has been freed in the implementation of UNIX sockets, occurring during the processing of SOCK_STREAM messages.\n<li class=\"l\"> CVE-2026-58089 \u2014 logical error in the hwpmc driver, designed for performance tracking, which prevents the statistics collection from being disabled after privilege escalation during the execution of suid root processes. This issue allows a regular user to track activity in privileged processes.\n<li class=\"l\"> CVE-2026-18798, CVE-2026-54874, CVE-2026-63072, CVE-2026-63073, CVE-2026-63074, CVE-2026-63075, CVE-2026-63076 \u2014 vulnerabilities in the openssl library, caused by buffer overflows, double freeing of memory, string formatting issues, and dereferencing NULL pointers. Potentially, some of these problems do not rule out the organization of remote code execution.    <\/ul>\n<p>Flere alvorlige problemer, der giver lokale brugere mulighed for at opn\u00e5 root-rettigheder, er ogs\u00e5 blevet identificeret i Linux-kernen:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-53361 \u2014 adgang til hukommelse efter frigivelse i implementeringen af AF_UNIX sockets. En eksploiter er offentliggjort, som muligg\u00f8r at bryde ud af en isoleret container. Eksploits arbejde er demonstreret i Ubuntu 24.04, RHEL 10 og Debian 13 med kernerne Linux 6.8, 6.12, 6.14 og 6.17. Problemet er blevet l\u00f8st i opdateringerne til kernerne 7.1.0, 6.18.38, 6.12.95 og 6.6.144.\n<li class=\"l\"> CVE-2026-72137 \u2014 dobbeltfrigivelse af hukommelse i modulet nat_keepalive. Problemet viser sig fra kerne 6.11 og er l\u00f8st i versionerne 7.2.0, 6.12.101, 6.18.40 og 7.1.5. En fungerende eksploiter er offentliggjort, som muligg\u00f8r at opn\u00e5 root-rettigheder i systemet.\n<li class=\"l\"> S\u00e5rbarheder (CVE ikke tildelt) i eCryptfs-filsystemet, der potentielt kan f\u00f8re til eksekvering af kode p\u00e5 kerneniveau ved behandling af specialdesignede krypterede filer.\n<li class=\"l\"> S\u00e5rbarhed (CVE ikke tildelt) i ntfs3-modulet, der muligg\u00f8r substitution af eksekverbare filer med suid-root-flag ved montering af specielt designede filsystembilleder (et eksempel p\u00e5 udnyttelse af s\u00e5rbarheden er vist for at f\u00e5 root-rettigheder ved automatisk montering af USB-drev).\n<li class=\"l\"> I alt er der i august blevet offentliggjort oplysninger om 1668 s\u00e5rbarheder i Linux-kernen.    <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66158\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 15.1-RELEASE-p3, FreeBSD 15.0-RELEASE-p13 \u0438 14.4-RELEASE-p9. CVE-2026-58094 &#8212; \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0433\u043e\u043d\u043a\u0438 \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 ioctl-\u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 FIOSSHMLPGCNF, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0440\u0430\u0437\u0434\u0435\u043b\u044f\u0435\u043c\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043c\u0435\u0440\u0430, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u043b\u043e \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0434\u0432\u0443\u0445 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 [&hellip;]<\/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-183167","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=\"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 15.1-RELEASE-p3, FreeBSD 15.0-RELEASE-p13 \u0438 14.4-RELEASE-p9.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Alexander Kovalev\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/da\/blog\/news\/linux-and-freebsd-vulnerabilities-allowing-root-access\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"da_DK\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Linux \u0438 FreeBSD, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c root-\u0434\u043e\u0441\u0442\u0443\u043f \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 15.1-RELEASE-p3, FreeBSD 15.0-RELEASE-p13 \u0438 14.4-RELEASE-p9.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/da\/blog\/news\/linux-and-freebsd-vulnerabilities-allowing-root-access\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-08-28T14:53:41+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-08-28T14:53:43+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47S\u00e5rbarheder i Linux og FreeBSD, der muligg\u00f8r opn\u00e5else af root-adgang i systemet | ProHoster","description":"I FreeBSD er 8 s\u00e5rbarheder blevet rettet, som giver mulighed for at h\u00e6ve privilegier i systemet. S\u00e5rbarhederne er blevet rettet i opdateringerne FreeBSD 15.1-RELEASE-p3, FreeBSD 15.0-RELEASE-p13 og 14.4-RELEASE-p9.","canonical_url":"https:\/\/prohoster.info\/da\/blog\/news\/linux-and-freebsd-vulnerabilities-allowing-root-access","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"da_DK","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\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Linux \u0438 FreeBSD, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c root-\u0434\u043e\u0441\u0442\u0443\u043f \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 | ProHoster","og:description":"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 15.1-RELEASE-p3, FreeBSD 15.0-RELEASE-p13 \u0438 14.4-RELEASE-p9.","og:url":"https:\/\/prohoster.info\/da\/blog\/news\/linux-and-freebsd-vulnerabilities-allowing-root-access","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":"2026-08-28T14:53:41+00:00","article:modified_time":"2026-08-28T14:53:43+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"183167","title":null,"description":null,"keywords":null,"keyphrases":{"focus":[],"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2026-08-31 11:53:09","updated":"2026-08-31 11:53:09","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/183167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/comments?post=183167"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/183167\/revisions"}],"predecessor-version":[{"id":183168,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/183167\/revisions\/183168"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/media?parent=183167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/categories?post=183167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/tags?post=183167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}