MASSIVE CPU vulnerabilities, Meltdown, Spectre - WAN Show Jan. 5 2018
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Promos
For your unrestricted 30 days free trial, go to freshbooks.com and enter in “Linus Tech Tips” in the how you heard about us section. Share your mouse and keyboard between multiple computers with Synergy 2! Save 50% here: symless.com Visit squarespace.com and use offer code LTT for 10% off Soundcloud: soundcloud.com Forum: linustechtips.com Timestamps courtesy of JJMC89. 00:03:37 - Meltdown and Spectre 00:25:57 - Intel CEO sold $24 million of Intel stock 00:29:32 - Lawsuits resulting from Meltdown 00:33:13 - Sponsor: FreshBooks 00:34:58 - Sponsor: Synergy 00:37:07 - Sponsor: Squarespace 00:38:31 - HP laptop recalls 00:39:23 - $1.6 billion Spotify copyright lawsuit 00:40:17 - YouTube to launch music streaming service 00:48:39 - Alexa ads 00:54:50 - Floatplane 01:59:31 - 2017 was the biggest year for electric vehicle sales
The WAN Show episode dated January 5th 2018 opens by setting the scene for a CES heavy week and the upcoming flood of content fans can expect. The hosts introduce the cast for the year and joke about the logistics of travel and conferences, grounding the show in a casual, behind the scenes vibe. They pivot quickly to the hot technology topic of the moment, massive CPU vulnerabilities including Meltdown and Spectre, and outline how this will dominate discussion across hardware makers and software vendors. They promise a thorough walk-through of how the vulnerabilities were discovered, what the industry has done in response, and what it might mean for consumers and enterprise users alike. The team emphasizes the onion-like complexity of the story, noting multiple layers from disclosed specs to patch deployment, and previews that the discussion will touch on related topics like antivirus behavior, cloud services, and hardware design tradeoffs. The hosts reference an RS Technica article as a backbone for the technical explanation, and they stress cross-referencing multiple sources to avoid misinformation as the story unfolds. They also remind the audience about forum threads and documentation where updates and clarifications will be posted in real time. Throughout, the tone is practical and curious, aiming to translate a complex hardware security crisis into takeaways for both enthusiasts and professionals.
Topics · technology · hardware · cybersecurity · cloud-computing · industry-analysis
Questions answered
- What is Meltdown and Spectre and why do they matter for modern CPUs?
- Meltdown and Spectre are speculative execution vulnerabilities that affect how CPUs predict and execute operations. Meltdown mainly impacts older Intel processors and can allow information to leak across memory that should be protected. Spectre is broader, affecting Intel, AMD, and ARM, and involves techniques that could bypass certain memory protections. The practical impact varies by chip and workload, and fixes involve software updates, microcode patches, and in many cases changes to how memory is shared between processes.
- How were these vulnerabilities discovered and disclosed?
- The vulnerabilities were uncovered through Google Project Zero and academic work from universities and other tech companies. An AMD Linux patch hinted at how chips handle memory references, and embargoed information circulated before public disclosure. The public discussion intensified after major outlets reported on the issues, triggering widespread patching across operating systems, cloud services, and hardware.