Intel CPU Microcode Updates Released For Six High Severity Vulnerabilities

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https://www.phoronix.com/news/Intel-CPU-Microcode-August-2025

Impacted CPUs:

  1. Arrow Lake
  2. Core Gen 13 Raptor Lake
  3. Core Ultra 200V Lunar Lake
  4. Xeon Scalable Gen3 and newer through Xeon 6 Sierra Forest / Granite Rapids
  5. Xeon D-17xx / Xeon D-27xx
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Comments in Linux@lemmy.ml

If you want to scan for vulnerable systems online, here is a list of operating systems that will not be applying these “privilege escalation” fixes.

https://www.gnu.org/distros/free-distros.en.html

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What is Intel Microcode anyway? Been bugging me for ages seeing it reported for violating vrms.

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Simply put, modern processors aren't just converting instructions directly into transistors, they actually have code that controls how they operate. That's the microcode.

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