{"id":113876,"date":"2024-02-26T22:02:49","date_gmt":"2024-02-26T20:02:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek"},"modified":"2024-02-26T22:02:49","modified_gmt":"2024-02-26T20:02:49","slug":"uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek","title":{"rendered":"Vulnerabilit\u0103\u021bi \u00een nucleul Linux ce afecteaz\u0103 ksmbd, ktls, uio \u0219i stiva re\u021bea","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen modulul ksmbd, care ofer\u0103 o implementare integrat\u0103 \u00een nucleul Linux a serverului de fi\u0219iere bazat pe protocolul SMB, au fost identificate dou\u0103 vulnerabilit\u0103\u021bi care permit executarea de cod r\u0103u inten\u021bionat cu privilegii de nucleu f\u0103r\u0103 a necesita autentificare sau accesul la con\u021binutul memoriei nucleului pe sistemele cu modulul ksmbd activat. Problemele apar \u00eencep\u00e2nd cu nucleul 5.15, \u00een care a fost inclus modulul ksmbd. Vulnerabilit\u0103\u021bile au fost rezolvate \u00een actualiz\u0103rile nucleului 6.7.2, 6.6.14, 6.1.75 \u0219i 5.15.145. Pute\u021bi urm\u0103ri corec\u021biile \u00een distribu\u021bii pe urm\u0103toarele pagini: Debian, Ubuntu, Gentoo, RHEL, SUSE, Fedora, Arch.     <\/p>\n<p>Prima vulnerabilitate (CVE-2024-26592) poate duce la executarea codului atacatorului cu privilegii de nucleu prin trimiterea de cereri TCP neautentificate, formate special, c\u0103tre <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-shicago\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2885\">server<\/a> ksmbd. Vulnerabilitatea este cauzat\u0103 de o organizare incorect\u0103 a bloc\u0103rii obiectelor \u00een codul de stabilire \u0219i \u00eentrerupere a conexiunii TCP la ksmbd, permi\u021b\u00e2nd crearea de condi\u021bii pentru accesarea memoriei deja eliberate (use-after-free).       <\/p>\n<p>A doua vulnerabilitate (CVE-2024-26594) duce la scurgeri de con\u021binut din memoria nucleului \u00een timpul prelucr\u0103rii unui mech-token incorect \u00een cererea de stabilire a unui sesiuni trimis\u0103 de client. Vulnerabilitatea este cauzat\u0103 de prelucrarea incorect\u0103 a datelor cu un mech-token SMB2 \u0219i duce la citirea datelor dintr-o zon\u0103 dincolo de bufferul alocat.    <\/p>\n<p>De asemenea, se mai pot men\u021biona \u0219i c\u00e2teva alte vulnerabilit\u0103\u021bi \u00een nucleul Linux:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-52439 \u2014 accesarea memoriei deja eliberate (use-after-free) \u00een func\u021bia uio_open a subsistemului uio, permi\u021b\u00e2nd poten\u021bial unui utilizator local s\u0103 execute cod cu drepturi de acces la kernel.\n<li class=\"l\"> CVE-2024-26582 \u2014 accesarea memoriei deja eliberate (use-after-free) \u00een implementarea TLS la nivel de kernel (ktls), permi\u021b\u00e2nd poten\u021bial cre\u0219terea privilegiilor \u00een timpul opera\u021biunilor de decriptare.\n<li class=\"l\"> CVE-2024-0646 \u2014 scrierea \u00een zona de memorie dincolo de buffer \u00een subsistemul ktls printr-o manipulare local\u0103 specific\u0103 a socket-ului ktls folosind func\u021bia splice. Vulnerabilitatea permite poten\u021bial cre\u0219terea privilegiilor \u00een sistem.\n<li class=\"l\"> CVE-2023-6932 \u2014 stare de competi\u021bie \u00een implementarea protocolului IGMP (Internet Group Management Protocol) \u00een stiva IPv4, duc\u00e2nd la accesarea memoriei deja eliberate (use-after-free). Vulnerabilitatea permite poten\u021bial unui utilizator local s\u0103 \u00ee\u0219i creasc\u0103 privilegiile \u00een sistem.\n<li class=\"l\"> CVE-2023-52435 \u2014 dep\u0103\u0219irea MSS \u00een func\u021bia skb_segment() a stivei de re\u021bea a kernel-ului.\n<li class=\"l\"> CVE-2024-26601 \u2014 o eroare \u00een codul de eliberare a blocurilor \u00een FS ext4 poate fi folosit\u0103 pentru a corupe bitmap-ul buddy.\n<li class=\"l\"> CVE-2024-26598 \u2014 accesarea memoriei deja eliberate (use-after-free) \u00een hypervizor. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/vps\/abuzoustojchivye-vps\/\"   title=\"KVM\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4386\">KVM<\/a>.        <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60668\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043c\u043e\u0434\u0443\u043b\u0435 ksmbd, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u043c \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u0443\u044e \u0432 \u044f\u0434\u0440\u043e Linux \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 SMB, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u044f\u0434\u0440\u0430 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043c\u043e\u0434\u0443\u043b\u0435\u043c ksmbd. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u044f\u0434\u0440\u0430 5.15, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0431\u044b\u043b \u043f\u0440\u0438\u043d\u044f\u0442 \u043c\u043e\u0434\u0443\u043b\u044c ksmbd. [&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-113876","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043c\u043e\u0434\u0443\u043b\u0435 ksmbd, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u043c \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u0443\u044e \u0432 \u044f\u0434\u0440\u043e Linux \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 SMB, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ro_RO\" \/>\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 \u044f\u0434\u0440\u0435 Linux, \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0438\u0435 ksmbd, ktls, uio \u0438 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0441\u0442\u0435\u043a | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412 \u043c\u043e\u0434\u0443\u043b\u0435 ksmbd, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u043c \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u0443\u044e \u0432 \u044f\u0434\u0440\u043e Linux \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 SMB, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek\" \/>\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=\"2024-02-26T20:02:49+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-02-26T20:02:49+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vulnerabilit\u0103\u021bi \u00een nucleul Linux, afect\u00e2nd ksmbd, ktls, uio \u0219i stiva re\u021bea | ProHoster","description":"\u00cen modulul ksmbd, care ofer\u0103 o implementare integrat\u0103 \u00een nucleul Linux a unui server de fi\u0219iere bazat pe protocolul SMB, au fost descoperite dou\u0103 vulnerabilit\u0103\u021bi care permit execu\u021bia de cod de la distan\u021b\u0103 f\u0103r\u0103 autentificare.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek","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\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u044f\u0434\u0440\u0435 Linux, \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0438\u0435 ksmbd, ktls, uio \u0438 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0441\u0442\u0435\u043a | ProHoster","og:description":"\u0412 \u043c\u043e\u0434\u0443\u043b\u0435 ksmbd, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u043c \u0432\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u0443\u044e \u0432 \u044f\u0434\u0440\u043e Linux \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 SMB, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e.","og:url":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-yadre-linux-zatragivayushhie-ksmbd-ktls-uio-i-setevoj-stek","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":"2024-02-26T20:02:49+00:00","article:modified_time":"2024-02-26T20:02:49+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"113876","title":null,"description":null,"keywords":null,"keyphrases":null,"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":"2026-02-09 21:41:57","updated":"2026-02-09 21:41:57","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/113876","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=113876"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/113876\/revisions"}],"predecessor-version":[{"id":164263,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/posts\/113876\/revisions\/164263"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/media?parent=113876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/categories?post=113876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/ro\/wp-json\/wp\/v2\/tags?post=113876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}