CPUMicrocodes
Intel-Linux-Processor-Microcode-Dat
| CPUMicrocodes | Intel-Linux-Processor-Microcode-Dat | |
|---|---|---|
| 7 | 5 | |
| 978 | - | |
| 0.3% | - | |
| 7.3 | - | |
| 1 day ago | - | |
| - | - |
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CPUMicrocodes
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The true motives of Windows 11
Even my Haswell-E processor has continued getting microcode updates, and runs Windows 11.
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On “I don't trust microcode”
They have been sort of cracked, but it doesn't matter. The web or chain of trust of those updates from the vendor to the processor is what matters. They're at least CRC checked to prevent loading corrupt files.
https://ieeeaccess.ieee.org/featured-articles/reverseenginee...
https://github.com/intel/Intel-Linux-Processor-Microcode-Dat...
https://github.com/platomav/CPUMicrocodes
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Google announces official Android support for RISC-V
Microcode in a cpu: It's already open source and is baked into a cpu. This is what is needed for a cpu to... cpu. (idk i'm not William Shockley)
- Deskmini A300 Bios 3.70: Which CPU works and which does not?
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Support for amd64 microcode updates - scoping work
Assuming that the microcode update files have been acquired (maybe from here or here?), bundled into a tgz as expected by pkg_add, and made available alongside other signed firmware packages, an OpenBSD install then needs to know to look for this firmware bundle.
- Polishing A Turd
- Updating AsRock B450m Bios w/ Ryzen 2600
Intel-Linux-Processor-Microcode-Dat
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ETH Zurich researchers discover new security vulnerability in Intel processors
Intel distributes microcode updates for Linux here: https://github.com/intel/Intel-Linux-Processor-Microcode-Dat... , and the distro are all set up to pull from there and distribute automatically.
Not expert enough to know what to look for to see if these particular mitigations are present yet.
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There is no fix for Intel's crashing 13th/14th Gen CPUs – damage is permanent
So where is the microcode update? I don't see anything for Linux yet.
https://github.com/intel/Intel-Linux-Processor-Microcode-Dat...
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On “I don't trust microcode”
They have been sort of cracked, but it doesn't matter. The web or chain of trust of those updates from the vendor to the processor is what matters. They're at least CRC checked to prevent loading corrupt files.
https://ieeeaccess.ieee.org/featured-articles/reverseenginee...
https://github.com/intel/Intel-Linux-Processor-Microcode-Dat...
https://github.com/platomav/CPUMicrocodes
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I Love Arch, but GNU Guix Is My New Distro
Is it anymore of a "magic incantation" than the linux-image-XYZ package which controls which OS kernel is installed?
If you want to see when Intel issues new microcode updates, it is all available on their GitHub: https://github.com/intel/Intel-Linux-Processor-Microcode-Dat...
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CPU May Have Slowed Down on Wednesday
It isn't clear if Haswell has this optimization. As an easy test you could run the zero-fill-bench linked in the post and check the fill0 vs fill1 numbers. If they are the same, Haswell probably never had this optimization in the first place.
Based on the Intel microcode release note [1] it doesn't seem like client HSW got any update this time, only HSX (Haswell Xeon).
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[1] https://github.com/intel/Intel-Linux-Processor-Microcode-Dat...
What are some alternatives?
Microcode - Microcode Updates for the USENIX 2017 paper: Reverse Engineering x86 Processor Microcode
pacman-bintrans - Experimental pacman integration for Reproducible Builds and Binary Transparency (with sigstore/rekor)
PSPTool - Display, extract, and manipulate PSP firmware inside UEFI images
userscan - Scans files for Nix store references and registers them with the Nix garbage collector.
Intel-Linux-Processor-Microcode-Data-Files
dysnomia - Dysnomia: A tool for deploying mutable components