{"guid":"f2a061d1-6eb5-5522-9384-1ff4f240cc61","title":"Microcode updates as protection against Spectre \u0026 Co.","subtitle":null,"slug":"denog11-31-microcode-updates-as-protection-against-spectre-co-","link":"https://pretalx.denog.de/denog11/talk/RM9EFS/","description":"Protection against CPU attacks such as Spectre v2 or ZombieLoad require CPU microcode updates. Performing these updates via BIOS updates is often a painful task - so let's delegate this task to the operating system.\n\nProtection against side channel attacks such as Spectre v2, v3a/v4, L1TF or MDS/ZombieLoad requires not only operating system patches but also an update of the CPU microcode. Updating the microcode via the operating system is easier than via a BIOS update - especially when you are running tens, hundreds or even thousands of servers in your datacenter.\n\nJoin this ignite talk and learn in 5 minutes everything you need to know to protect your Linux, FreeBSD and Windows servers from L1TF, ZombieLoad and the Spectre's of the world :-)","original_language":"eng","persons":["Werner Fischer"],"view_count":101,"promoted":false,"date":"2019-11-11T16:00:00.000+01:00","release_date":"2019-11-11T01:00:00.000+01:00","updated_at":"2026-04-01T20:15:05.954+02:00","tags":["denog11","31","2019"],"length":678,"duration":678,"thumb_url":"https://static.media.ccc.de/media/events/denog/denog11/31-hd.jpg","poster_url":"https://static.media.ccc.de/media/events/denog/denog11/31-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/events/denog/denog11/31-hd.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/events/denog/denog11/31-hd.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/denog11-31-microcode-updates-as-protection-against-spectre-co-","url":"https://api.media.ccc.de/public/events/f2a061d1-6eb5-5522-9384-1ff4f240cc61","conference_title":"DENOG11","conference_url":"https://api.media.ccc.de/public/conferences/denog11","related":[{"event_id":8155,"event_guid":"0fbb39bb-93d5-54f0-81c5-fa4d49d96db0","weight":2},{"event_id":8158,"event_guid":"466fa15e-1509-5fae-9d83-33cd032bc549","weight":2},{"event_id":8161,"event_guid":"a7641e0b-b19f-5fe1-8ced-7bbcd035048e","weight":4},{"event_id":8162,"event_guid":"24ee7975-3fc2-5ff4-b48c-98800630187f","weight":6},{"event_id":8166,"event_guid":"1db9ce1c-e9bb-547f-9481-8add961acbdb","weight":5},{"event_id":8180,"event_guid":"4ee367a1-d868-5a1d-a7e9-cb38b0f2df5c","weight":4}],"recordings":[{"size":73,"length":678,"mime_type":"video/mp4","language":"eng","filename":"denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_hd.mp4","state":"new","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2019-11-11T17:09:11.575+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog11/h264-hd/denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_hd.mp4","url":"https://api.media.ccc.de/public/recordings/41907","event_url":"https://api.media.ccc.de/public/events/f2a061d1-6eb5-5522-9384-1ff4f240cc61","conference_url":"https://api.media.ccc.de/public/conferences/denog11"},{"size":10,"length":678,"mime_type":"audio/mpeg","language":"eng","filename":"denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_mp3.mp3","state":"new","folder":"mp3","high_quality":false,"width":0,"height":0,"updated_at":"2019-11-11T17:16:22.148+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog11/mp3/denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/41909","event_url":"https://api.media.ccc.de/public/events/f2a061d1-6eb5-5522-9384-1ff4f240cc61","conference_url":"https://api.media.ccc.de/public/conferences/denog11"},{"size":25,"length":678,"mime_type":"video/mp4","language":"eng","filename":"denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_sd.mp4","state":"new","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2019-11-11T17:16:55.198+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog11/h264-sd/denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_sd.mp4","url":"https://api.media.ccc.de/public/recordings/41910","event_url":"https://api.media.ccc.de/public/events/f2a061d1-6eb5-5522-9384-1ff4f240cc61","conference_url":"https://api.media.ccc.de/public/conferences/denog11"},{"size":44,"length":678,"mime_type":"video/webm","language":"eng","filename":"denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_webm-sd.webm","state":"new","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2019-11-11T17:17:36.591+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog11/webm-sd/denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/41911","event_url":"https://api.media.ccc.de/public/events/f2a061d1-6eb5-5522-9384-1ff4f240cc61","conference_url":"https://api.media.ccc.de/public/conferences/denog11"},{"size":6,"length":678,"mime_type":"audio/opus","language":"eng","filename":"denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_opus.opus","state":"new","folder":"opus","high_quality":false,"width":0,"height":0,"updated_at":"2019-11-11T17:17:52.785+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog11/opus/denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_opus.opus","url":"https://api.media.ccc.de/public/recordings/41912","event_url":"https://api.media.ccc.de/public/events/f2a061d1-6eb5-5522-9384-1ff4f240cc61","conference_url":"https://api.media.ccc.de/public/conferences/denog11"},{"size":128,"length":678,"mime_type":"video/webm","language":"eng","filename":"denog11-31-eng-Microcode_updates_as_protection_against_Spectre_Co_webm-hd.webm","state":"new","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2019-11-11T17:25:17.334+01:00","recording_url":"https://cdn.media.ccc.de/events/denog/denog11/webm-hd/denog11-31-eng-Microcode_updates_as_protection_against_Spectre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