{"id":183160,"date":"2026-08-27T22:53:24","date_gmt":"2026-08-27T20:53:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-bubblewrap-0-12-proslojki-dlya-sozdaniya-izolirovannyh-okruzhenij"},"modified":"2026-08-27T22:53:29","modified_gmt":"2026-08-27T20:53:29","slug":"bubblewrap-0-12-release-a-layer-for-creating-isolated-environments","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/bubblewrap-0-12-release-a-layer-for-creating-isolated-environments","title":{"rendered":"Vydanie Bubblewrap 0.12, vrstvy na vytv\u00e1ranie izolovan\u00fdch prostred\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol sa zverejnen\u00fd nov\u00fd n\u00e1stroj pre organiz\u00e1ciu pr\u00e1ce izolovan\u00fdch prostred\u00ed Bubblewrap 0.12, ktor\u00fd sa pou\u017e\u00edva na obmedzenie jednotliv\u00fdch aplik\u00e1ci\u00ed neprivilegovan\u00fdch pou\u017e\u00edvate\u013eov. V praxi sa Bubblewrap pou\u017e\u00edva projektom Flatpak ako medzivrstva na izol\u00e1ciu aplik\u00e1ci\u00ed spusten\u00fdch z bal\u00edkov. Na izol\u00e1ciu sa pou\u017e\u00edvaj\u00fa tradi\u010dn\u00e9 technol\u00f3gie kontajnerovej virtualiz\u00e1cie pre Linux, zalo\u017een\u00e9 na pou\u017eit\u00ed cgroups, namespaces, Seccomp a SELinux. K\u00f3d projektu je nap\u00edsan\u00fd v jazyku C a je distribuovan\u00fd pod licenciou LGPLv2.1+.    <\/p>\n<p>Izol\u00e1cia na \u00farovni s\u00faborov\u00e9ho syst\u00e9mu sa vykon\u00e1va vytvoren\u00edm nov\u00e9ho priestoru n\u00e1zvov bodov pripojenia (mount namespace) predvolene, v ktorom sa pomocou tmpfs vytvor\u00ed pr\u00e1zdny kore\u0148ov\u00fd oddiel. Do tohto oddielu sa v pr\u00edpade potreby pripojuj\u00fa oddiely vonkaj\u0161ej FS v re\u017eime \u201emount \u2014bind\u201c (napr\u00edklad pri sp\u00fa\u0161\u0165an\u00ed s mo\u017enos\u0165ou \u201ebwrap \u2014ro-bind \/usr \/usr\u201c je oddiel \/usr prepojen\u00fd z hlavn\u00e9ho syst\u00e9mu v re\u017eime iba na \u010d\u00edtanie). Sie\u0165ov\u00e9 mo\u017enosti s\u00fa obmedzen\u00e9 pr\u00edstupom k loopback rozhraniu s izol\u00e1ciou sie\u0165ov\u00e9ho z\u00e1sobn\u00edka cez vlajky CLONE_NEWNET a CLONE_NEWUTS.     <\/p>\n<p>Na vyl\u00fa\u010denie v\u0161etk\u00fdch nadbyto\u010dn\u00fdch identifik\u00e1torov u\u017e\u00edvate\u013eov a procesov z vytv\u00e1ran\u00e9ho izolovan\u00e9ho prostredia m\u00f4\u017eu by\u0165 pou\u017eit\u00e9 re\u017eimy CLONE_NEWUSER (menov\u00fd priestor) a CLONE_NEWPID (PID priestor), a na z\u00e1kaz z\u00edskavania nov\u00fdch privil\u00e9gi\u00ed sa pou\u017e\u00edva re\u017eim PR_SET_NO_NEW_PRIVS. Na z\u00edskanie potrebn\u00fdch privil\u00e9gi\u00ed sa pou\u017e\u00edva \u201emenov\u00fd priestor\u201c.    <\/p>\n<p>V novom vydan\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Licencia k\u00f3du bola zmenen\u00e1 z LGPL 2.0+ na LGPL 2.1+.\n<li class=\"l\"> Podpora zostavenia vo forme spustite\u013en\u00e9ho s\u00faboru, ktor\u00fd z\u00edskava \u010fal\u0161ie privil\u00e9gia pomocou pr\u00edflagu suid root, bola zru\u0161en\u00e1. Pr\u00edtomnos\u0165 podpory \u201emenov\u00e9ho priestoru\u201c v syst\u00e9me je teraz povinn\u00e1. Ako d\u00f4vod sa uv\u00e1dza n\u00e1ro\u010dnos\u0165 \u00fadr\u017eby variantu s pr\u00edflagom suid na pozad\u00ed v\u0161eobecnej podpory \u201emenov\u00e9ho priestoru\u201c v distrib\u00faci\u00e1ch.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 \u201e--not-a-security-boundary\u201c, pri nastaven\u00ed ktorej niektor\u00e9 chyby pri konfigur\u00e1cii izolovan\u00e9ho sandboxov\u00e9ho prostredia, ako napr\u00edklad remountovanie podsektorov, neved\u00fa k havarijn\u00e9mu ukon\u010deniu.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 pri zostavovan\u00ed \u201eassume_kernel\u201c, ktor\u00e1 vyp\u00edna zaru\u010denie sp\u00e4tnej kompatibility s jadrami Linuxu, ktor\u00e9 s\u00fa star\u0161ie ako uveden\u00e1 verzia. Napr\u00edklad uvedenie verzi\u00ed 5.6.0+ povedie k vyl\u00fa\u010deniu alternat\u00edvnej implement\u00e1cie funk\u010dnosti \u201eopenat2(RESOLVE_IN_ROOT)\u201c.      <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66151\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 Bubblewrap 0.12, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u041d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0435 Bubblewrap \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c Flatpak \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0445 \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u0414\u043b\u044f \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0434\u043b\u044f Linux \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043d\u043e\u0439 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 cgroups, \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432 \u0438\u043c\u0451\u043d (namespaces), Seccomp \u0438 SELinux. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d [&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-183160","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439 Bubblewrap 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