{"id":184020,"date":"2026-10-27T23:40:54","date_gmt":"2026-10-27T21:40:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/10-uyazvimostej-v-yadre-linux-i-4-vo-freebsd-pozvolyayushhie-poluchit-prava-root-v-sisteme"},"modified":"2026-10-27T23:40:59","modified_gmt":"2026-10-27T21:40:59","slug":"10-linux-kernel-vulnerabilities-and-4-in-freebsd-that-allow-root-access","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/10-linux-kernel-vulnerabilities-and-4-in-freebsd-that-allow-root-access","title":{"rendered":"10 zranitelnost\u00ed v j\u00e1dru Linuxu a 4 ve FreeBSD, kter\u00e9 umo\u017e\u0148uj\u00ed z\u00edskat pr\u00e1va root v syst\u00e9mu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byla odhalena s\u00e9rie zranitelnost\u00ed v j\u00e1d\u0159e Linux a FreeBSD. Zranitelnosti v Linuxu umo\u017e\u0148uj\u00ed vzd\u00e1len\u00e9 spu\u0161t\u011bn\u00ed k\u00f3du, zv\u00fd\u0161en\u00ed privilegi\u00ed v syst\u00e9mu, \u00fanik z kontejner\u016f nebo obch\u00e1zen\u00ed izolace virtu\u00e1ln\u00edch stroj\u016f. Zranitelnosti ve FreeBSD umo\u017e\u0148uj\u00ed vzd\u00e1len\u00e9 zastaven\u00ed \u010dinnosti j\u00e1dra, zv\u00fd\u0161en\u00ed privilegi\u00ed v syst\u00e9mu a obch\u00e1zen\u00ed izolace hypervizoru Bhyve.<\/p>\n<p>Zranitelnosti v j\u00e1d\u0159e Linuxu:<\/p>\n<ul>\n<li class=\"l\"> 5 zranitelnost\u00ed, kter\u00e9 odhalil projekt Zero Day Initiative p\u0159ed zve\u0159ejn\u011bn\u00edm oprav kv\u016fli chybn\u00e9mu zasl\u00e1n\u00ed informac\u00ed do nespr\u00e1vn\u00e9ho mailing listu:\n<ul>\n<li class=\"l\"> ZDI-CAN-33549 \u2014 zranitelnost v modulu ksmbd s implementac\u00ed souborov\u00e9ho syst\u00e9mu <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-los-angeles\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\">serveru<\/a> na z\u00e1klad\u011b protokolu SMB, kterou lze zneu\u017e\u00edt k vzd\u00e1len\u00e9mu proveden\u00ed k\u00f3du na \u00farovni j\u00e1dra. Probl\u00e9m je zp\u016fsoben p\u0159ete\u010den\u00edm celo\u010d\u00edseln\u00e9 hodnoty ve funkci mbdirect_connection_rdma_xmit(), kter\u00e1 se projev\u00ed, pokud je j\u00e1dro sestaveno s volbami \u201eCONFIG_SMB_SERVER_SMBDIRECT=y\u201c a \u201eCONFIG_RDMA_RXE=y\u201c. Pro \u00fasp\u011b\u0161n\u00fd \u00fatok mus\u00ed \u00fato\u010dn\u00edk m\u00edt mo\u017enost z\u00e1pisu do sd\u00edlen\u00e9ho \u00falo\u017ei\u0161t\u011b, kter\u00e9 je poskytov\u00e1no c\u00edlem \u00fatoku. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-prohoster\/\"   title=\"serverem\" data-wpil-keyword-link=\"linked\">serverem<\/a>, na kter\u00e9m mus\u00ed b\u00fdt tak\u00e9 pou\u017eity technologie RDMA a SMB Direct. Prototyp exploitace je dostupn\u00fd a funguje na Debianu 13.\n<li class=\"l\"> ZDI-CAN-33774 \u2014 stav z\u00e1vodu v modulu j\u00e1dra ksmbd, kter\u00fd vede k z\u00e1pisu 62 bajt\u016f dat z hlavi\u010dky SMB2 do 40-bajtov\u00e9ho bufferu ur\u010den\u00e9ho pro protokol SMB1. Zranitelnost m\u016f\u017ee v\u00e9st k vzd\u00e1len\u00e9mu proveden\u00ed k\u00f3du, pokud m\u00e1 \u00fato\u010dn\u00edk p\u0159\u00edstup k SMB \u00falo\u017ei\u0161ti zpracov\u00e1van\u00e9mu prost\u0159ednictv\u00edm ksmbd. Existuje prototyp exploitu, kter\u00fd funguje v Debianu 13.\n<li class=\"l\"> ZDI-CAN-33367 \u2014 zranitelnost v s\u00ed\u0165ov\u00e9m z\u00e1sobn\u00edku j\u00e1dra, kter\u00e1 umo\u017e\u0148uje m\u00edstn\u00edmu u\u017eivateli z\u00edskat pr\u00e1va root v syst\u00e9mu p\u0159eps\u00e1n\u00edm dat procesu v str\u00e1nkov\u00e9m cache, podobn\u011b jako zranitelnosti Dirty Frag a Fragnesia. Tentokr\u00e1t je probl\u00e9m zp\u016fsoben chybou ve funkci<br \/>\nskb_zerocopy(). Byl p\u0159ipraven prototyp exploitace, kter\u00fd funguje v r\u016fzn\u00fdch verz\u00edch Ubuntu. Oprava je k dispozici ve form\u011b z\u00e1platy. Z distribu\u010dn\u00edch syst\u00e9m\u016f zat\u00edm pouze v\u00fdvoj\u00e1\u0159i Alma Linux p\u0159ipravili pl\u00e1novanou aktualizaci bal\u00ed\u010dk\u016f s j\u00e1drem, ve kter\u00e9 tuto zranitelnost opravili.<\/p>\n<li class=\"l\"> ZDI-CAN-34068 \u2014 p\u0159ete\u010den\u00ed bufferu v grafick\u00e9m ovlada\u010di VMWGFX, kter\u00fd se pou\u017e\u00edv\u00e1 pro implementaci 3D akcelerace ve VMware prost\u0159ed\u00edch. Probl\u00e9m umo\u017e\u0148uje m\u00edstn\u00edmu u\u017eivateli z\u00edskat pr\u00e1va root v syst\u00e9mu, pokud m\u00e1 p\u0159\u00edstup k virtu\u00e1ln\u00edmu GPU prost\u0159ednictv\u00edm za\u0159\u00edzen\u00ed \/dri\/card*. Existuje prototyp exploitu, kter\u00fd funguje v Ubuntu 26.04.\n<li class=\"l\"> ZDI-CAN-34076 \u2014 zranitelnost v ovlada\u010di nvmet (NVMe Target), kter\u00e1 vede k \u00faniku informac\u00ed o obsahu pam\u011bti j\u00e1dra.\n<\/ul>\n<li class=\"l\"> Byly zve\u0159ejn\u011bny informace a prototypy exploit\u016f pro 5 zranitelnost\u00ed v j\u00e1d\u0159e, kter\u00e9 umo\u017e\u0148uj\u00ed privilegovan\u00e9mu u\u017eivateli z\u00edskat pr\u00e1va root v syst\u00e9mu a obej\u00edt izolaci kontejner\u016f. Sadu zranitelnost\u00ed bylo p\u0159id\u011bleno k\u00f3dov\u00e9 jm\u00e9no \u201eInfinity Core\u201c. Probl\u00e9my byly ji\u017e vy\u0159e\u0161eny v aktu\u00e1ln\u00edch verz\u00edch j\u00e1dra.\n<ul>\n<li class=\"l\"> CVE-2026-98260 \u2014 p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v d\u016fsledku op\u011btovn\u00e9ho pou\u017eit\u00ed struktury POSIX \u010dasova\u010de, jej\u00ed\u017e pam\u011b\u0165 byla uvoln\u011bna v hlavn\u00edm vl\u00e1kn\u011b po selh\u00e1n\u00ed p\u0159i prov\u00e1d\u011bn\u00ed vol\u00e1n\u00ed exec(), ale odkaz z\u016fstal v front\u011b (timerqueue) v jin\u00e9m vl\u00e1kn\u011b. Existuje prototyp exploitu, jeho\u017e fungov\u00e1n\u00ed bylo demonstrov\u00e1no v Ubuntu 26.04 a v syst\u00e9mu Android na smartphonu Samsung Galaxy S26 Ultra.\n<li class=\"l\"> CVE-2026-98256 \u2014 p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed zp\u016fsoben\u00fd z\u00e1vodem mezi vol\u00e1n\u00edm exec() ve druh\u00e9m vl\u00e1kn\u011b a \u010di\u0161t\u011bn\u00edm fronty sign\u00e1l\u016f (sigqueue), kter\u00e9 \u010dekaj\u00ed na zpracov\u00e1n\u00ed. P\u0159i manipulaci s frontou m\u016f\u017ee vzniknout situace, kdy odkazy na obslu\u017en\u00fd program sign\u00e1lu z\u016fstanou ve front\u011b po uvoln\u011bn\u00ed s n\u00ed spojen\u00e9 pam\u011bti, a pot\u00e9 budou vyu\u017eity p\u0159i zpracov\u00e1n\u00ed sign\u00e1l\u016f. Pr\u00e1ce exploit byl demonstrov\u00e1n v Ubuntu 26.04.\n<li class=\"l\"> CVE-2026-89754 \u2014 p\u0159ete\u010den\u00ed bufferu v implementaci syst\u00e9mov\u00e9ho vol\u00e1n\u00ed mincore(), kter\u00e9 vznik\u00e1 v d\u016fsledku z\u00e1vodu p\u0159i opakovan\u00e9m proch\u00e1zen\u00ed tabulek str\u00e1nkov\u00e1n\u00ed pam\u011bti po proveden\u00ed madvise(MADV_DONTNEED). Pr\u00e1ce exploit byl demonstrov\u00e1n v Ubuntu 26.04.\n<li class=\"l\"> CVE-2026-80775 \u2014 p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v syst\u00e9mov\u00e9m vol\u00e1n\u00ed prctl(), kter\u00fd vznik\u00e1 v d\u016fsledku nespr\u00e1vn\u00e9ho sledov\u00e1n\u00ed po\u010dt\u016f odkaz\u016f pro hashov\u00e9 vl\u00e1kna p\u0159i vzniku<br \/>\nz\u00e1vodu mezi \u00fakoly, kter\u00e9 sd\u00edlej\u00ed jednu strukturu mm_struct p\u0159i vno\u0159en\u00e9m vol\u00e1n\u00ed vfork(). Exploit, kter\u00fd vyu\u017e\u00edv\u00e1 zranitelnost k p\u0159eps\u00e1n\u00ed \/usr\/bin\/passwd ve str\u00e1nkov\u00e9m cache, byl demonstrov\u00e1n v Ubuntu 26.04.<\/p>\n<li class=\"l\"> CVE-2026-98385 \u2014 p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed ve zpracovateli cache pl\u00e1nova\u010de \u00faloh, co\u017e vznik\u00e1 z toho, \u017ee pl\u00e1nova\u010d aktualizuje pole se statistikou ve struktu\u0159e mm_struct pro \u00falohu po uvoln\u011bn\u00ed s n\u00ed spojen\u00e9 pam\u011bti, pokud je vol\u00e1n\u00ed exec() provedeno na jin\u00e9m j\u00e1dru CPU. Zranitelnost se projevuje v j\u00e1drech se zapnutou mo\u017enost\u00ed CONFIG_SCHED_CACHE. Pr\u00e1ce exploit byl demonstrov\u00e1n v<br \/>\nArch Linux s j\u00e1drem 7.2.4.<\/p>\n<\/ul>\n<li class=\"l\"> Zranitelnost Vghost (CVE-2026-74580) v subsyst\u00e9mu j\u00e1dra vhost, pou\u017e\u00edvan\u00e9m k urychlen\u00ed operac\u00ed vklad\u016f\/v\u00fdstup\u016f p\u0159es Virtio v virtualiza\u010dn\u00edch syst\u00e9mech. Zranitelnost je zp\u016fsobena nespr\u00e1vnou prac\u00ed s cache tabulek p\u0159evodu adres vklad\u016f\/v\u00fdstup\u016f (IOTLB) a m\u016f\u017ee b\u00fdt pou\u017eita k z\u00edsk\u00e1n\u00ed vy\u0161\u0161\u00edch opr\u00e1vn\u011bn\u00ed v syst\u00e9mu a k obch\u00e1zen\u00ed izolace hostitelsk\u00e9ho syst\u00e9mu. P\u0159i p\u0159eprogramov\u00e1n\u00ed adres nebo velikost\u00ed front (vring) prost\u0159ednictv\u00edm vol\u00e1n\u00ed VHOST_SET_VRING_ADDR nebo VHOST_SET_VRING_NUM nebyla cache vq-&gt;meta_iotlb[] vymaz\u00e1na, co\u017e vedlo k p\u0159evodu nov\u00fdch adres pomoc\u00ed ji\u017e neplatn\u00fdch z\u00e1znam\u016f o mapov\u00e1n\u00ed pam\u011bti.\n<p>Byl zve\u0159ejn\u011bn prototyp exploitu pro z\u00edsk\u00e1n\u00ed pr\u00e1v root, testovan\u00fd na distribuc\u00edch Ubuntu 26.04, RHEL 9.8, Amazon Linux 2023.12.20260817, Azure Linux 3.0 a Oracle Linux 10.2.<br \/>\nZranitelnost m\u016f\u017ee b\u00fdt vyu\u017eita k prov\u00e1d\u011bn\u00ed k\u00f3du na \u00farovni j\u00e1dra hostitelsk\u00e9ho syst\u00e9mu prost\u0159ednictv\u00edm manipulace s vol\u00e1n\u00edm VIRTIO_F_RING_RESET v hostitelsk\u00e9m syst\u00e9mu ve virtualizovan\u00fdch prost\u0159ed\u00edch s virtu\u00e1ln\u00edm IOMMU.<br \/>\nProbl\u00e9m se projevuje po\u010d\u00ednaje j\u00e1drem Linux 4.11 a byl opraven ve verz\u00edch 5.10.265, 5.15.216, 6.1.183, 6.6.152, 6.12.104, 6.18.45, 7.1.9 a 7.2. Jako do\u010dasn\u00e9 ochrany lze omezit p\u0159\u00edstup k za\u0159\u00edzen\u00edm \/dev\/vhost-net, \/dev\/vhost-vsock, \/dev\/vhost-scsi a \/dev\/vhost-vdpa-*.<\/p>\n<\/ul>\n<p>Zranitelnosti ve FreeBSD (opraveny v aktualizac\u00edch 15.1-RELEASE-p5, 14.5-RELEASE-p2 a 14.4-RELEASE-p11):<\/p>\n<ul>\n<li class=\"l\"> CVE-2026-101308 \u2014 p\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v ovlada\u010di zvuku, co\u017e vznik\u00e1 v d\u016fsledku z\u00e1vodu mezi operac\u00ed zm\u011bny velikosti bufferu a mapov\u00e1n\u00edm pam\u011bti p\u0159es mmap. Zranitelnost potenci\u00e1ln\u011b umo\u017e\u0148uje m\u00edstn\u00edmu u\u017eivateli, kter\u00fd m\u00e1 p\u0159\u00edstup k zvukov\u00e9mu za\u0159\u00edzen\u00ed, z\u00edskat opr\u00e1vn\u011bn\u00ed root.\n<li class=\"l\"> CVE-2026-101309, CVE-2026-101310, CVE-2026-101311 \u2014 zranitelnosti v komponent\u00e1ch hypervisoru Bhyve, kter\u00e9 umo\u017e\u0148uj\u00ed pomoc\u00ed manipulace v hostitelsk\u00e9m syst\u00e9mu spustit k\u00f3d na stran\u011b hostitelsk\u00e9ho prost\u0159ed\u00ed. Probl\u00e9my jsou zp\u016fsobeny p\u0159ete\u010den\u00edm vyrovn\u00e1vac\u00ed pam\u011bti kv\u016fli z\u00e1vodn\u00edmu stavu v modelu ovlada\u010de xHCI (USB 3) a tak\u00e9 absenc\u00ed pot\u0159ebn\u00fdch kontrol velikosti z\u00e1znam\u016f v modelech za\u0159\u00edzen\u00ed HDA (High Definition Audio) a framebuffer.\n<li class=\"l\"> CVE-2026-101307 \u2014 p\u0159ete\u010den\u00ed cel\u00e9ho \u010d\u00edsla v modulu tcp_rack s implementac\u00ed algoritmu pro detekci ztr\u00e1ty paket\u016f RACK (Recent ACKnowledgment), kter\u00e9 vede k alokaci p\u0159\u00edli\u0161 mal\u00e9 vyrovn\u00e1vac\u00ed pam\u011bti pro p\u0159\u00edjem v\u0161ech dat. Zranitelnost umo\u017e\u0148uje p\u0159eps\u00e1n\u00ed a\u017e 512 KB v oblasti mimo vyrovn\u00e1vac\u00ed pam\u011b\u0165 p\u0159i odesl\u00e1n\u00ed velk\u00e9ho po\u010dtu ACK paket\u016f v aktivn\u00edm TCP spojen\u00ed. Je zaznamen\u00e1no, \u017ee zneu\u017eit\u00ed m\u016f\u017ee v\u00e9st k p\u00e1du j\u00e1dra do stavu panic.\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66542\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 FreeBSD. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Linux \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434, \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0438\u043b\u0438 \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u043e FreeBSD \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u044f\u0434\u0440\u0430, \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0438 \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 Bhyve. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u044f\u0434\u0440\u0435 Linux: 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u044b\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c [&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-184020","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 FreeBSD. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Linux \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434, \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0438\u043b\u0438 \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d.\" \/>\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\/cs\/blog\/news\/10-linux-kernel-vulnerabilities-and-4-in-freebsd-that-allow-root-access\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\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\udd4710 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 4 \u0432\u043e FreeBSD, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u0440\u0430\u0432\u0430 root \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 FreeBSD. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Linux \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434, \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0438\u043b\u0438 \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/10-linux-kernel-vulnerabilities-and-4-in-freebsd-that-allow-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=\"2026-10-27T21:40:54+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-27T21:40:59+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\udd4710 zranitelnost\u00ed v j\u00e1d\u0159e Linux a 4 ve FreeBSD, kter\u00e9 umo\u017e\u0148uj\u00ed z\u00edskat pr\u00e1va root v syst\u00e9mu | ProHoster","description":"Byla identifikov\u00e1na \u0159ada zranitelnost\u00ed v j\u00e1d\u0159e Linux a FreeBSD. Zranitelnosti v Linuxu umo\u017e\u0148uj\u00ed vzd\u00e1len\u00e9 vykon\u00e1n\u00ed k\u00f3du, zv\u00fd\u0161en\u00ed vlastn\u00edch privilegi\u00ed v syst\u00e9mu, opu\u0161t\u011bn\u00ed kontejner\u016f nebo obch\u00e1zen\u00ed izolace virtu\u00e1ln\u00edch stroj\u016f.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/10-linux-kernel-vulnerabilities-and-4-in-freebsd-that-allow-root-access","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\udd4710 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 4 \u0432\u043e FreeBSD, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u0440\u0430\u0432\u0430 root \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 | ProHoster","og:description":"\u0412\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 FreeBSD. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Linux \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434, \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 \u0438\u043b\u0438 \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0448\u0438\u043d.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/10-linux-kernel-vulnerabilities-and-4-in-freebsd-that-allow-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":"2026-10-27T21:40:54+00:00","article:modified_time":"2026-10-27T21:40:59+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/184020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=184020"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/184020\/revisions"}],"predecessor-version":[{"id":184021,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/184020\/revisions\/184021"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=184020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=184020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=184020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}