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Dynamic or third party compiled Kernel modules do not work when Secure Boot based on static keys is enabled.

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Abstract

Kernel modules compiled dynamically or by third parties do not work when Secure Boot based on static keys is enabled.

Content

Linux Releases Affected
RHEL 8.5, RHEL 8.6, and RHEL 9.0.
IBM Systems Affected
IBM Power10.
Symptoms
When secure boot based on static keys is enabled, certain features that involve modules compiled 
on the system dynamically or by third parties do not work. This includes third party device drivers 
and the systemtap kernel module backend.
Workaround
Users of systemap can try the --runtime=bpf or --runtime=dyninst backends, though they have 
limitations.
Fix Outlook

None

I/O device impacted

None.

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Document Information

Modified date:
16 February 2022

UID

ibm16556748