Rashin lahani mai nisa a cikin kernel na NetBSD, wanda aka yi amfani da shi daga hanyar sadarwar gida

Na NetBSD shafe rauni, wanda ya haifar da rashin bincika iyakokin buffer lokacin sarrafa firam ɗin jumbo a cikin direbobi don adaftar hanyar sadarwa da aka haɗa ta USB. Batun yana haifar da kwafin wani yanki na fakiti fiye da buffer da aka keɓe a cikin gungu na muf, wanda za a iya amfani da shi don aiwatar da lambar maharin a matakin kernel ta hanyar aika takamaiman firam daga cibiyar sadarwar gida. An fitar da wani gyara don toshe raunin a ranar 28 ga Agusta, amma yanzu an bayyana cikakkun bayanai game da matsalar. Matsalar ta shafi direbobin atu, gatari, gatari, otus, gudu da ure.

A halin yanzu, a cikin tari na Windows TCP/IP gano m rauni, yarda aiwatar da nesa lambar harin ta hanyar aika fakitin ICMPv6 tare da tallan mai ba da hanya tsakanin hanyoyin sadarwa na IPv6 (RA, Tallan na'ura mai ba da hanya tsakanin hanyoyin sadarwa).
Varfafawa shirye-shirye Tun Sabunta 1709 don Windows 10/Windows Server 2019, wanda ya gabatar da tallafi don wucewar sanyi na DNS ta hanyar fakitin ICMPv6 RA, wanda aka bayyana a cikin RFC 6106. Batun yana faruwa ne ta hanyar rarraba buffer ba daidai ba don abubuwan filin RDNSS lokacin wucewa masu girma dabam masu ƙima (girman filin). an fassara su a matsayin mahara na 16, wanda ya haifar da matsaloli tare da rarrabawa da kuma rarraba 8 bytes ƙananan ƙwaƙwalwar ajiya, tun da an fahimci ƙarin 8 bytes a matsayin na gaba).

source: budenet.ru

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