{"id":170863,"date":"2026-05-18T12:24:54","date_gmt":"2026-05-18T10:24:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-linux-raskryta-novaya-lpe-uyazvimost-fragnesia-pozvolyayushhaya-lokalnomu-polzovatelyu-poluchit-root"},"modified":"2026-05-18T12:24:54","modified_gmt":"2026-05-18T10:24:54","slug":"v-linux-raskryta-novaya-lpe-uyazvimost-fragnesia-pozvolyayushhaya-lokalnomu-polzovatelyu-poluchit-root","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/v-linux-raskryta-novaya-lpe-uyazvimost-fragnesia-pozvolyayushhaya-lokalnomu-polzovatelyu-poluchit-root","title":{"rendered":"N\u00eb Linux \u00ebsht\u00eb zbuluar nj\u00eb dob\u00ebsi e re LPE Fragnesia, e cila lejon nj\u00eb p\u00ebrdorues lokal t\u00eb marr\u00eb root.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb b\u00ebrtham\u00ebn e Linux \u00ebsht\u00eb zbuluar nj\u00eb tjet\u00ebr dob\u00ebsi e lokalizimit t\u00eb privilegjeve, e quajtur Fragnesia<\/strong> dhe identifikimi CVE-2026-46300<\/strong>. Problemi p\u00ebrket t\u00eb nj\u00ebjtit grup sulmesh ndaj page cache, si\u00e7 jan\u00eb diskutuar s\u00eb fundmi Copy Fail dhe Dirty Frag, por nuk \u00ebsht\u00eb nj\u00eb ripublikim i nj\u00eb gabimi t\u00eb vjet\u00ebr: b\u00ebhet fjal\u00eb p\u00ebr nj\u00eb defekt t\u00eb ve\u00e7ant\u00eb n\u00eb kodin XFRM ESP-in-TCP<\/strong>.<\/p>\n

Dob\u00ebsin\u00eb e zbuloi k\u00ebrkuesi William Bowling<\/strong> nga ekipi V12 Security<\/strong>. Sipas t\u00eb dh\u00ebnave t\u00eb publikuara, Fragnesia i lejon nj\u00eb p\u00ebrdoruesi lokal t\u00eb paprivilegjuar t\u00eb ndryshoj\u00eb p\u00ebrmbajtjen e skedar\u00ebve t\u00eb disponuesh\u00ebm vet\u00ebm p\u00ebr lexim n\u00eb memorjen e page cache dhe p\u00ebrmes k\u00ebsaj t\u00eb ekzekutoj\u00eb kod me t\u00eb drejta root. Ndryshe nga shum\u00eb eksploit\u00eb t\u00eb vjet\u00ebr LPE, sulmi nuk k\u00ebrkon gar\u00eb dhe p\u00ebrshkruhet nga k\u00ebrkuesit si i determinuesh\u00ebm.<\/p>\n

Problemi teknik lidhet me faktin se gjat\u00eb bashkimit t\u00eb bufeve rrjet\u00eb, kernel mund t\u00eb ket\u00eb humbur shenj\u00ebn q\u00eb fragmenti i t\u00eb dh\u00ebnave \u00ebsht\u00eb \"t\u00eb zakonsh\u00ebm\" dhe i lidhur me faqen e jashtme t\u00eb memories, p\u00ebrfshir\u00eb edhe cache-n e faqeve. N\u00eb patch-in e propozuar, kjo p\u00ebrshkruhet si nj\u00eb gabim n\u00eb skb_try_coalesce(): gjat\u00eb transferimit t\u00eb fragmenteve me faqe nga nj\u00eb sk_buff n\u00eb tjetrin, nuk ruhej flagu SKBFL_SHARED_FRAG. Si rezultat, kodi m\u00eb von\u00eb ESP mund t\u00eb kishte konsideruar gabimisht bufen si t\u00eb sigurt p\u00ebr ndryshim.<\/p>\n

Efekti praktik \u00ebsht\u00eb se t\u00eb dh\u00ebnat q\u00eb ishin vendosur m\u00eb par\u00eb n\u00eb radh\u00ebn TCP nga nj\u00eb sked\u00eb, pasi socket-i kaloi n\u00eb modalitetin espintcp, mund t\u00eb p\u00ebrpunoheshin nga kernel-i si tekst i enkriptuar ESP. Gjat\u00eb dekriptimit t\u00eb AES-GCM, bajt\u00ebt ndryshonin drejtp\u00ebrdrejt n\u00eb faqen e cache-t t\u00eb faqeve, t\u00eb lidhur me sked\u00ebn. Kjo nuk ndryshon sked\u00ebn n\u00eb disk, por ndryshon p\u00ebrfaq\u00ebsimin e saj n\u00eb memorie deri n\u00eb d\u00ebbimin e faqes nga cache.<\/p>\n

N\u00eb demonstimin e publikuar t\u00eb sulmit, si objektiv u p\u00ebrdor \/usr\/bin\/su: eksploit modifikoi bajt\u00ebt e par\u00eb t\u00eb skedarit binar n\u00eb page cache dhe m\u00eb pas nisi nj\u00eb kopje t\u00eb modifikuar n\u00eb memorie, duke fituar akses me t\u00eb drejtat e root. Skedari origjinal n\u00eb disk mbeti i pandryshuar, duke e b\u00ebr\u00eb problemin ve\u00e7an\u00ebrisht t\u00eb pak\u00ebndsh\u00ebm p\u00ebr diagnostikimin: gjurm\u00ebt e eksploitimit mund t\u00eb zhduken pas pastrimit t\u00eb page cache ose rinisjes.<\/p>\n

Fragnesia u shfaq m\u00eb pak se nj\u00eb jav\u00eb pas Dirty Frag. N\u00eb V12 theksohet se kjo \u00ebsht\u00eb nj\u00eb gabim i ve\u00e7ant\u00eb n\u00eb t\u00eb nj\u00ebjt\u00ebn sip\u00ebrfaqe sulmi \u2014 ESP\/XFRM, \u2014 dhe jo nj\u00eb em\u00ebrim i nj\u00eb dob\u00ebsie t\u00eb korrigjuar tashm\u00eb. Phoronix gjithashtu thekson se n\u00eb momentin e publikimit ishte n\u00eb dispozicion nj\u00eb proof-of-concept, dhe korrigjimi ishte nj\u00eb patch i vog\u00ebl n\u00eb net\/core\/skbuff.c, i cili nuk ishte akoma p\u00ebrfshir\u00eb menj\u00ebher\u00eb n\u00eb deg\u00ebt kryesore t\u00eb kernelit.<\/p>\n

<\/p>\n

Canonical i dha CVE-2026-46300<\/a> prioritet t\u00eb lart\u00eb Ubuntu, duke e caktuar arsyen si \u00aba\u00e7\u00ebsi lokale triviale p\u00ebr privilegje\u00bb. N\u00eb faqen e Siguris\u00eb s\u00eb Ubuntu p\u00ebr kernet e prekur n\u00eb momentin e azhornimit m\u00eb 13 maj, statusi shenjonte \u00abKa nevoj\u00eb p\u00ebr vler\u00ebsim\u00bb, dhe n\u00eb sh\u00ebnim u tha se problemi gjithashtu ndodhet n\u00eb modul ESP-t\u00eb e kernelit dhe mund t\u00eb zbutet p\u00ebrkoh\u00ebsisht n\u00eb t\u00eb nj\u00ebjt\u00ebn m\u00ebnyr\u00eb si Dirty Frag.<\/p>\n

<\/noindex><\/noindex> <\/p>\n

Debian Security Tracker<\/a> n\u00eb momentin e kontrollit, jan\u00eb ndar\u00eb si t\u00eb ndjeshme b\u00ebrthamat n\u00eb deget bullseye, bookworm, trixie, forky dhe sid; p\u00ebr paket\u00ebn linux n\u00eb unstable, versioni i rregulluar ende nuk \u00ebsht\u00eb p\u00ebrcaktuar.<\/p>\n

<\/noindex> <\/p>\n

Masat e p\u00ebrkohshme t\u00eb mbrojtjes mbeten t\u00eb nj\u00ebjta si p\u00ebr Dirty Frag: \u00e7aktivizoni ngarkimin e moduleve<\/a> esp4, esp6 dhe rxrpc, n\u00ebse nuk jan\u00eb t\u00eb nevojshme p\u00ebr sistemin. Kjo mund t\u00eb d\u00ebmtoj\u00eb funksionimin e tunel\u00ebve IPsec n\u00eb nodet ku p\u00ebrdoren kernel ESP, strongSwan, Libreswan ose konfigurime t\u00eb ngjashme, prandaj n\u00eb porta VPN, kjo mas\u00eb duhet t\u00eb zbatohet vet\u00ebm pas nj\u00eb vler\u00ebsimi t\u00eb pasojave.<\/p>\n

<\/noindex> <\/p>\n

Shembull i masave t\u00eb p\u00ebrkohshme p\u00ebr administrator\u00ebt:<\/p>\n

sudo sh -c \"printf 'install esp4 \/bin\/falseninstall esp6 \/bin\/falseninstall rxrpc \/bin\/falsen' > \/etc\/modprobe.d\/dirtyfrag.conf\" sudo rmmod esp4 esp6 rxrpc 2>\/dev\/null || true <\/p>\n

N\u00ebse ka dyshime se sistemi mund t\u00eb ket\u00eb qen\u00eb tashm\u00eb i sulmuar, vet\u00ebm bllokimi i moduleve nuk \u00ebsht\u00eb i mjaftuesh\u00ebm: pasi demonstrimi publik ndryshon skedarin ekzekutiv sakt\u00ebsisht n\u00eb cache-n e faqes, administrator\u00ebt rekomandojn\u00eb pastrimin e cache-it t\u00eb faqeve ose rinisjen e sistemit pas zbatimit t\u00eb masave t\u00eb mbrojtjes. CloudLinux v\u00eb n\u00eb dukje qart\u00eb se pas shfryt\u00ebzimit \/usr\/bin\/su mund t\u00eb mbetet i modifikuar n\u00eb memorie deri n\u00eb z\u00ebvend\u00ebsimin e faqeve p\u00ebrkat\u00ebse.<\/p>\n

P\u00ebr t\u00eb eliminuar rregullin p\u00ebrkoh\u00ebsor pas instalimit t\u00eb b\u00ebrtham\u00ebs s\u00eb rregulluar, mund t\u00eb hiqni skedarin e krijuar:<\/p>\n

sudo rm \/etc\/modprobe.d\/dirtyfrag.conf <\/p>\n

Rekomandimi kryesor mbetet standard: instaloni b\u00ebrtham\u00ebn e rregulluar nga distribucioni juaj dhe rinisni sistemin. Para azhurnimit, risku m\u00eb i madh e mbartin server\u00ebt shum\u00eb-p\u00ebrdorues, CI-runners, hosting t\u00eb ndar\u00eb, fermat e nd\u00ebrtimit me kontejner\u00eb dhe \u00e7do makin\u00eb ku p\u00ebrdoruesit e pa privilegjuar ose pjes\u00ebrisht t\u00eb besuar mund t\u00eb ekzekutojn\u00eb kod lokal.<\/p>\n

Burimi: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u044f\u0434\u0440\u0435 Linux \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0430 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0430\u044f \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 Fragnesia \u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440 CVE-2026-46300. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u0442\u043e\u043c\u0443 \u0436\u0435 \u043a\u043b\u0430\u0441\u0441\u0443 \u0430\u0442\u0430\u043a \u043d\u0430 page cache, \u0447\u0442\u043e \u0438 \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u0432\u0448\u0438\u0435\u0441\u044f Copy Fail \u0438 Dirty Frag, \u043d\u043e \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e\u0439 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u0441\u0442\u0430\u0440\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u0438: \u0440\u0435\u0447\u044c \u0438\u0434\u0451\u0442 \u043e\u0431 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u0434\u0435\u0444\u0435\u043a\u0442\u0435 \u0432 \u043a\u043e\u0434\u0435 XFRM ESP-in-TCP. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c William Bowling […]<\/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-170863","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\udd47Nj\u00eb vunerabilitet i ri LPE n\u00eb Linux, Fragnesia, lejon nj\u00eb p\u00ebrdorues lokal t\u00eb fitoj\u00eb root | ProHoster","description":"Nj\u00eb vunerabilitet tjet\u00ebr n\u00eb b\u00ebrtham\u00ebn Linux ka dal\u00eb n\u00eb pah, i njohur si Fragnesia me identifikuesin CVE-2026-46300. Problemi i p\u00ebrket t\u00eb nj\u00ebjtit klas\u00eb sulmesh mbi page cache, ashtu si Copy Fail dhe Dirty Frag q\u00eb jan\u00eb diskutuar koh\u00ebt e fundit, por nuk \u00ebsht\u00eb nj\u00eb publikim i p\u00ebrs\u00ebritur i nj\u00eb gabimi t\u00eb vjet\u00ebr: b\u00ebhet fjal\u00eb p\u00ebr nj\u00eb defekt t\u00eb ve\u00e7ant\u00eb n\u00eb kodin XFRM ESP-in-TCP. Vunerabilitetin e zbuloi k\u00ebrkuesi William Bowling.","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/v-linux-raskryta-novaya-lpe-uyazvimost-fragnesia-pozvolyayushhaya-lokalnomu-polzovatelyu-poluchit-root","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","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\u0412 Linux \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0430 \u043d\u043e\u0432\u0430\u044f LPE-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c Fragnesia, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c root | ProHoster","og:description":"\u0412 \u044f\u0434\u0440\u0435 Linux \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0430 \u043e\u0447\u0435\u0440\u0435\u0434\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0430\u044f \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 Fragnesia \u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440 CVE-2026-46300. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u0442\u043e\u043c\u0443 \u0436\u0435 \u043a\u043b\u0430\u0441\u0441\u0443 \u0430\u0442\u0430\u043a \u043d\u0430 page cache, \u0447\u0442\u043e \u0438 \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043e\u0431\u0441\u0443\u0436\u0434\u0430\u0432\u0448\u0438\u0435\u0441\u044f Copy Fail \u0438 Dirty Frag, \u043d\u043e \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e\u0439 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u0441\u0442\u0430\u0440\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u0438: \u0440\u0435\u0447\u044c \u0438\u0434\u0451\u0442 \u043e\u0431 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u0434\u0435\u0444\u0435\u043a\u0442\u0435 \u0432 \u043a\u043e\u0434\u0435 XFRM ESP-in-TCP. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c William Bowling","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/v-linux-raskryta-novaya-lpe-uyazvimost-fragnesia-pozvolyayushhaya-lokalnomu-polzovatelyu-poluchit-root","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":"2026-05-18T10:24:54+00:00","article:modified_time":"2026-05-18T10:24:54+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\/sq\/wp-json\/wp\/v2\/posts\/170863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=170863"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/170863\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=170863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=170863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=170863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}