{"id":1880,"date":"2021-02-17T12:08:18","date_gmt":"2021-02-17T11:08:18","guid":{"rendered":"https:\/\/blog.mhasin.eu\/?p=1880"},"modified":"2021-02-17T12:12:14","modified_gmt":"2021-02-17T11:12:14","slug":"disabling-intel-and-amd-cpu-vulnerability-mitigations-windows-linux","status":"publish","type":"post","link":"https:\/\/blog.mhasin.eu\/?p=1880","title":{"rendered":"Disabling Intel and AMD CPU Vulnerability Mitigations Windows\/Linux"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">CPU Vulmerability znizuje vykon CPU operacii o niekolko percent<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.extremetech.com\/wp-content\/uploads\/2019\/05\/Phoronix-AllPerf-Impact-640x412.png\" alt=\"\" class=\"wp-image-291652\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vypnutie Linux:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kernel > 5.2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> nano \/etc\/default\/grub<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>GRUB_CMDLINE_LINUX_DEFAULT=\"quiet splash <strong>mitigations=off<\/strong>\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kernel < 5.2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>GRUB_CMDLINE_LINUX_DEFAULT=\"quiet splash noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off tsx=on tsx_async_abort=off mitigations=off\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Update grub<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo update-grub<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Windows disable:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CVE-2018-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>reg add \"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Memory Management\" \/v FeatureSettingsOverride \/t REG_DWORD \/d 3 \/f\n\nreg add \"HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Memory Management\" \/v FeatureSettingsOverrideMask \/t REG_DWORD \/d 3 \/f<\/code><\/pre>\n<div class=\"pdf24Plugin-cp\"> \t<form name=\"pdf24Form0\" method=\"post\" action=\"https:\/\/doc2pdf.pdf24.org\/wordpress.php\" target=\"pdf24PopWin\" onsubmit=\"var pdf24Win = window.open('about:blank', 'pdf24PopWin', 'resizable=yes,scrollbars=yes,width=600,height=250,left='+(screen.width\/2-300)+',top='+(screen.height\/3-125)+''); 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