linuxboot / linuxboot/heads

PRR and FLOCKDN are not set

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#184 3 comments 1 reaction 0 assignees View on GitHub

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enhancement / improvement initrd security
Dominant language
Makefile
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Forks
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Avg merge
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Merged PRs (30d)
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Description

![Dark Jedi](https://farm9.staticflickr.com/8599/16141423155_0f369fd78c_z_d.jpg)

The protected range registers and flash lockdown should be set before invoking the kexec.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the kexec invocation and the code responsible for protected range registers and flash lockdown. Confirm where PRR and FLOCKDN are expected to be set before kexec, then verify the change with the repository's available firmware or boot tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux
Domain
operating-systems, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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