** Changed in: linux-azure (Ubuntu Noble)
Status: New => Fix Committed
** Changed in: linux-azure (Ubuntu Oracular)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2079841
Title:
Revert fix for "Kernel fails to enable XSAVE when running in a “v5”
AMD SEV-SNP VM"
Status in linux-azure package in Ubuntu:
Fix Committed
Status in linux-azure source package in Noble:
Fix Committed
Status in linux-azure source package in Oracular:
Fix Committed
Bug description:
SRU Justification
[Impact]
* LP #2069204 disabled CET Shadow Stack on SEV-SNP due to CPUID emulation bug
not being fixed in VMs until October 2024.
* This issue is now fixed, so the patch can be reverted.
[Fix]
* Revert "UBUNTU: SAUCE: x86/hyperv: temporarily disable CET SS on
SEV-SNP due to a paravisor bug"
[Test Plan]
* Compile tested
* Boot tested
[Regression potential]
* Reverting back to previous state, so regression very unlikely.
* Changes isolated, minimal regression risk
[Other info]
* SF #00387447
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