{"id":7421,"date":"2018-01-10T14:51:34","date_gmt":"2018-01-10T14:51:34","guid":{"rendered":"http:\/\/ubuntuhandbook.org\/?p=7421"},"modified":"2018-01-12T14:04:44","modified_gmt":"2018-01-12T14:04:44","slug":"intel-processor-patch-meltdown-spectre","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2018\/01\/intel-processor-patch-meltdown-spectre\/","title":{"rendered":"Install Intel Processor Patch for Meltdown &#038; Spectre in Ubuntu"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/intel-icon.png\" alt=\"\" width=\"245\" height=\"250\" class=\"alignleft size-full wp-image-7422\" \/><\/p>\n<p>Heard about <a href=\"https:\/\/wiki.ubuntu.com\/SecurityTeam\/KnowledgeBase\/SpectreAndMeltdown\" target=\"_blank\">Meltdown and Spectre<\/a>, two severe hardware bugs that affect billions of devices? <\/p>\n<p>Besides updating the Ubuntu Kernel via &#8220;Software Updater&#8221;, Intel has released an update processor microcode patch for Linux based operating systems to address the security vulnerabilities.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/update-kernel-450x354.jpg\" alt=\"\" width=\"450\" height=\"354\" class=\"aligncenter size-medium wp-image-7425\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/update-kernel-450x354.jpg 450w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/update-kernel-600x472.jpg 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/update-kernel.jpg 679w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<div class=\"arconix-box arconix-box-yellow\"><i class='fa fa-2x pull-left fa-lightbulb-o'><\/i><div class=\"arconix-box-content\">The patch has been made into Ubuntu repository. So FOLLOWING STEPS IS NOT REQUIRED any more!<\/p>\n<p>Just update your system via Software Updater. Then launch <b>Software &#038; Updates<\/b> -&gt; <b>Additional Drivers<\/b>, and mark the line &#8220;Using Processor microcode firmware for Intel CPUs from intel-microcode&#8221; for installation if it&#8217;s not used.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/use-processor-microcode-firmware-1-600x346.jpg\" alt=\"\" width=\"600\" height=\"346\" class=\"aligncenter size-large wp-image-7431\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/use-processor-microcode-firmware-1-600x346.jpg 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/use-processor-microcode-firmware-1-450x260.jpg 450w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/use-processor-microcode-firmware-1.jpg 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/div>\n<p><b>1.<\/b> Download the Intel Processor patch from the link below:<\/p>\n<p style=\"text-align:center;\"><a href='https:\/\/downloadcenter.intel.com\/download\/27431\/Linux-Processor-Microcode-Data-File' class='arconix-button-flat arconix-button-medium arconix-button-gray' target=\"_blank\" >Intel Processor Micorcode Data File (.tgz)<\/a><\/p>\n<p>Extract the file and you&#8217;ll get a new file folder with <b>microcode.dat<\/b> and <b>intel-ucode<\/b> directory.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/intel-processor-patch-450x193.jpg\" alt=\"\" width=\"450\" height=\"193\" class=\"aligncenter size-medium wp-image-7424\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/intel-processor-patch-450x193.jpg 450w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/intel-processor-patch-768x329.jpg 768w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/intel-processor-patch-600x257.jpg 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/intel-processor-patch.jpg 829w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p><b>2.<\/b> To install the patch, open terminal via Ctrl+Alt+T or by searching for &#8220;terminal&#8221; from application launcher. When it opens, run command:<\/p>\n<pre style=\"border:none;\">sudo cp -r ~\/Downloads\/microcode-*\/intel-ucode \/lib\/firmware\/<\/pre>\n<p>Then run:<\/p>\n<pre style=\"border:none;\">sudo -i && echo 1 > \/sys\/devices\/system\/cpu\/microcode\/reload<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/install-intel-microcode-600x75.jpg\" alt=\"\" width=\"600\" height=\"75\" class=\"aligncenter size-large wp-image-7423\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/install-intel-microcode-600x75.jpg 600w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/install-intel-microcode-450x56.jpg 450w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2018\/01\/install-intel-microcode.jpg 734w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Finally you need to reboot your machine to apply changes.<\/p>","protected":false},"excerpt":{"rendered":"<p>Heard about Meltdown and Spectre, two severe hardware bugs that affect billions of devices? Besides updating the Ubuntu Kernel via &#8220;Software Updater&#8221;, Intel has released an update processor microcode patch for Linux based operating systems to address the security vulnerabilities. 1. Download the Intel Processor patch from the link below: Extract the file and you&#8217;ll [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[1519,1518],"class_list":["post-7421","post","type-post","status-publish","format-standard","hentry","category-howtos","tag-intel","tag-meltdown-and-spectre"],"_links":{"self":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/7421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/comments?post=7421"}],"version-history":[{"count":0,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/7421\/revisions"}],"wp:attachment":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media?parent=7421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/categories?post=7421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/tags?post=7421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}