Kwanan nan mutanen da ke Canonical sun saki sabuntawa akan yanayin raunin Specter, wanda ya haifar da rikice-rikice da yawa tun farkon shekara tare da Meltdown dukkansu suna da alhakin baiwa maharan damar samun bayanan sirri saboda lamuran zane a cikin masu sarrafawa.
Kafin wannan Canonical ya fitar da wannan sabon sabunta microcode ɗin don duk masu amfani da Ubuntu waɗanda ke da masu sarrafa AMD a cikin ƙoƙari na kawar da yanayin rauni ga Specter V2 a cikin su.
Wannan raunin tsaro ya shafi duk microprocessors waɗanda ke amfani da aikin hasashen reshe da aiwatar da hasashe. kuma yana iya ba da izinin ƙwaƙwalwar ajiya mara izini ta hanyar kai hare-hare ta tashoshi a kan tsarin da bai karɓi gyaran da ya dace ba.
Sabuwar sabuntawa ga masu sarrafa AMD akan SpecterV2
Jann Horn ne ya gano wannan matsalar wanda shine na biyu bambance-bambancen (CVE-2.017-5715) na raunin Specter wanda ya bayyana a matsayin harin allura.
Don gyara matsalar, ana buƙatar sabunta firmware na microcode processor kuma yanzu, Canonical ya samarwa masu amfani dashi don samun masu sarrafa AMD a cikin kwamfutocin su.
Sabunta fakiti microcode don AMD CPUs a cikin duk nau'ikan Ubuntu masu goyan baya tuni akwai ciki har da Ubuntu 18.04 LTS (Bionic Beaver), Ubuntu 17.10 (Artful Aardvark), Ubuntu 16.04 LTS (Xenial Xerus) da Ubuntu 14.04 LTS (Trusty Tahr).
Canonical ya faɗi haka kunshin da aka sabunta yana ba da sabunta microcode don dangin mai sarrafa AMD 17H, wanda ake buƙata don sabuntawa na Kernel na Linux wanda kamfanin ya saki a cikin 'yan makonnin nan don duk fitowar Ubuntu.
Ana ba da shawarar masu amfani don sabunta tsarin su kai tsaye, Ya kamata masu amfani da Ubuntu 18.04 LTS su haɓaka zuwa amd64-microcode - 3.20180524.1 ~ ubuntu0.18.04.1Ya kamata masu amfani da Ubuntu 17.10 su haɓaka zuwa amd64-microcode - 3.20180524.1 ~ ubuntu0.17.10.1, Ubuntu 16.04 LTS masu amfani zasu haɓaka zuwa amd64-microcode - 3.20180524.1 ~ ubuntu0.16.04.1 kuma Ubuntu 14.04 LTS ya kamata sabunta zuwa amd64-microcode - 3.20180524.1 ~ ubuntu0.14.04.1.
Yadda ake girka abubuwan sabuntawa akan Specter V2?
Si kana so ka shigar da sabuntawa akan Specter V2 dole ne ka bude tashar tare da Ctrl + Alt + T kuma aiwatar da kowane irin umarni masu zuwa gwargwadon sigar ku da tsarin tsarin ku.
Waɗannan kunshin suma suna da inganci don rarrabawa waɗanda aka samo daga Ubuntu.
Girkawa akan Ubuntu 18.04 LTS
Ga masu amfani da mafi kyawun sigar Ubuntu wanda yake 18.04 kuma Yana da gine-gine 64-bit, dole ne ku aiwatar da waɗannan umarnin:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14953007/+files/amd64-microcode_3.20180524.1~ubuntu0.18.04.1_amd64.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.18.04.1_amd64.deb
Si tsarin ku 32 ne dole ne ku rubuta waɗannan dokokin:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14953008/+files/amd64-microcode_3.20180524.1~ubuntu0.18.04.1_i386.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.18.04.1_i386.deb
Girkawa akan Ubuntu 17.10
Yanzu idan har yanzu kuna amfani da tsohuwar sigar wato Ubuntu 17.10 kuma tsarinku shine rago 64 dole ne ku rubuta:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14953014/+files/amd64-microcode_3.20180524.1~ubuntu0.17.10.1_amd64.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.17.10.1_amd64.deb
Kuma a tsarin ku yakai 32 umarnin shine wannan:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14953015/+files/amd64-microcode_3.20180524.1~ubuntu0.17.10.1_i386.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.17.10.1_i386.deb
Girkawa akan Ubuntu 16.04 LTS
A gefe guda, idan har yanzu kuna amfani da sigar Ubuntu 16.04 LTS kuma shine tsarinku na 64-bit dole ne ku buga wannan umarnin:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14953071/+files/amd64-microcode_3.20180524.1~ubuntu0.16.04.1_amd64.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.16.04.1_amd64.deb
Ko kuma idan suna amfani 32-bit sigar dole ne yayi amfani da wannan umarnin:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14953072/+files/amd64-microcode_3.20180524.1~ubuntu0.16.04.1_i386.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.16.04.1_i386.deb
Girkawa akan Ubuntu 14.04 LTS
A ƙarshe don sabon salo tare da goyan baya shine Ubuntu 14.04 LTS ya kamata sauke wannan kunshin idan suna da gine-gine 64-bit:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14954344/+files/amd64-microcode_3.20180524.1~ubuntu0.14.04.1_amd64.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.14.04.1_amd64.deb
Kuma a maimakon haka suna amfani 32 bit na Ubuntu 14.04 LTS umarnin shine wannan:
wget https://launchpad.net/~ubuntu-security-proposed/+archive/ubuntu/ppa/+build/14954345/+files/amd64-microcode_3.20180524.1~ubuntu0.14.04.1_i386.deb sudo dpkg -i amd64-microcode_3.20180524.1~ubuntu0.14.04.1_i386.deb
Bayan kammala shigarwa, yana da matukar mahimmanci ku sake kunna kwamfutocinku don canje-canjen da aka yi a cikin tsarin ya sami ceto kuma fara kwamfutocinku da sabon sabuntawa.
Kuma tare da wannan, zaku sami sabunta kayan aikinku kuma kariya akan wannan sabon bambancin.
Idan kana son sanin cikakken bayani game da wannan bayanin zaka iya ziyarta mahada mai zuwa. Kodayake, kamar yadda muka sani, babu wani tsari da yake da aminci, amma ba shi da kyau a sabunta kuma saboda haka kauce wa matsalolin da aka sani.