{"id":181900,"date":"2026-06-05T02:48:04","date_gmt":"2026-06-05T00:48:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/libinput-1-31-3-s-ispravleniem-uyazvimosti-vedushhej-k-vypolneniyu-koda-ot-root"},"modified":"2026-06-05T02:48:04","modified_gmt":"2026-06-05T00:48:04","slug":"libinput-1-31-3-s-ispravleniem-uyazvimosti-vedushhej-k-vypolneniyu-koda-ot-root","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/libinput-1-31-3-s-ispravleniem-uyazvimosti-vedushhej-k-vypolneniyu-koda-ot-root","title":{"rendered":"libinput 1.31.3 s opravou zranitelnosti, kter\u00e1 vedla k prov\u00e1d\u011bn\u00ed k\u00f3du s pr\u00e1vy root","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bylo vyd\u00e1no opraven\u00e9 vyd\u00e1n\u00ed <strong>libinput 1.31.3<\/strong> \u2014 knihovna pro zpracov\u00e1n\u00ed vstupn\u00edch za\u0159\u00edzen\u00ed, kter\u00e1 je vyu\u017e\u00edv\u00e1na modern\u00edmi desktopov\u00fdmi prost\u0159ed\u00edmi Linuxu ve spojen\u00ed s Wayland kompozitory a X.Org. libinput se star\u00e1 o detekci za\u0159\u00edzen\u00ed, zpracov\u00e1n\u00ed ud\u00e1lost\u00ed a abstrahov\u00e1n\u00ed vstupu: od my\u0161\u00ed a touchpad\u016f po grafick\u00e9 tablety. Projekt je \u0161\u00ed\u0159en pod licenc\u00ed MIT.<\/p>\n<p><noindex><noindex><\/p>\n<p>Hlavn\u00ed zm\u011bnou v tomto vyd\u00e1n\u00ed je <a rel=\"nofollow\" href=\"https:\/\/www.phoronix.com\/news\/libinput-1.31.2-Security-Fix\">oprava zranitelnosti<\/a> v pomocn\u00e9m programu udev <strong>libinput-device-group<\/strong>. Probl\u00e9m byl spojen s t\u00edm, \u017ee hodnota PHYS z\u00edskan\u00e1 z za\u0159\u00edzen\u00ed se dostala do v\u00fdstupu pro udev jako \u0159et\u011bzec KEY=VALUE bez dostate\u010dn\u00e9ho \u010di\u0161t\u011bn\u00ed speci\u00e1ln\u00edch znak\u016f. Zlomysln\u00e9 za\u0159\u00edzen\u00ed, vytvo\u0159en\u00e9 prost\u0159ednictv\u00edm <strong>uinput<\/strong> nebo <strong>uhid<\/strong>, mohlo vlo\u017eit do PHYS znak konce \u0159\u00e1dku, co\u017e zp\u016fsobilo, \u017ee udev vn\u00edmal v\u00fdstup jako dv\u011b samostatn\u00e9 prom\u011bnn\u00e9. V d\u016fsledku toho to mohlo v\u00e9st k prov\u00e1d\u011bn\u00ed libovoln\u00e9ho k\u00f3du s pr\u00e1vy root.<\/p>\n<p><\/noindex><\/noindex><\/p>\n<p>Zranitelnost nen\u00ed vzd\u00e1len\u00e1: \u00fato\u010dn\u00edk pot\u0159ebuje m\u00edstn\u00ed p\u0159\u00edstup a mo\u017enost vytvo\u0159it zlomysln\u00e9 za\u0159\u00edzen\u00ed uinput nebo uhid. P\u0159\u00edstup k t\u011bmto rozhran\u00edm je obvykle omezen na root, ale riziko se objevuje na syst\u00e9mech s voln\u011bj\u0161\u00edmi pravidly udev. Jako p\u0159\u00edklad se uv\u00e1d\u011bj\u00ed konfigurace, kde je p\u0159\u00edstup otev\u0159en b\u011b\u017en\u00fdm u\u017eivatel\u016fm p\u0159ihl\u00e1\u0161en\u00fdm do syst\u00e9mu kv\u016fli podpo\u0159e hern\u00edch ovlada\u010d\u016f a Steam Input, nap\u0159\u00edklad prost\u0159ednictv\u00edm bal\u00ed\u010dku <strong>steam-devices<\/strong> nebo podobn\u00fdch pravidel.<\/p>\n<p>D\u016fle\u017eit\u00e9 up\u0159esn\u011bn\u00ed: v p\u0159edchoz\u00edch zpr\u00e1v\u00e1ch byla uvedena verze <strong>libinput 1.31.2<\/strong>, ale ve ofici\u00e1ln\u00edm advisory jsou opraven\u00e9 verze uvedeny <strong>libinput 1.31.3<\/strong> a <strong>1.30.4<\/strong>. Ovlivn\u011bny jsou verze do <strong>1.31.2<\/strong> a <strong>1.30.3<\/strong> v\u010detn\u011b; CVE nebyl k datu publikace je\u0161t\u011b p\u0159id\u011blen.<\/p>\n<p><noindex><\/p>\n<p>U\u017eivatel\u016fm se doporu\u010duje aktualizovat syst\u00e9mov\u00fd bal\u00ed\u010dek <strong>libinput<\/strong> prost\u0159ednictv\u00edm standardn\u00edho spr\u00e1vce bal\u00ed\u010dk\u016f distribuce. V Arch Linuxu <a rel=\"nofollow\" href=\"https:\/\/archlinux.org\/packages\/extra\/x86_64\/libinput\/\">bal\u00ed\u010dek<\/a> <strong>libinput 1.31.3-1<\/strong> ji\u017e byl dostupn\u00fd v repozit\u00e1\u0159i Extra dne 4. \u010dervna 2026, v Debianu byla verze <strong>1.31.3-1<\/strong> p\u0159ijata do unstable ve stejn\u00fd den.<\/p>\n<p><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/18310635\">linux.org.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 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a libinput 1.31.3 \u2014 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0432\u0432\u043e\u0434\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c\u0438 Linux-\u0434\u0435\u0441\u043a\u0442\u043e\u043f\u0430\u043c\u0438 \u0432 \u0441\u0432\u044f\u0437\u043a\u0435 \u0441 Wayland-\u043a\u043e\u043c\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0430\u043c\u0438 \u0438 X.Org. libinput \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0437\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0441\u043e\u0431\u044b\u0442\u0438\u0439 \u0438 \u0430\u0431\u0441\u0442\u0440\u0430\u043a\u0446\u0438\u044e \u0432\u0432\u043e\u0434\u0430: \u043e\u0442 \u043c\u044b\u0448\u0435\u0439 \u0438 \u0442\u0430\u0447\u043f\u0430\u0434\u043e\u0432 \u0434\u043e \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043f\u043b\u0430\u043d\u0448\u0435\u0442\u043e\u0432. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u0413\u043b\u0430\u0432\u043d\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u2014 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 udev-\u0432\u0441\u043f\u043e\u043c\u043e\u0433\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435 libinput-device-group. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0431\u044b\u043b\u0430 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 [&hellip;]<\/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-181900","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a libinput 1.31.3 \u2014 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0432\u0432\u043e\u0434\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 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