Intel patches buggy Sapphire Rapids Xeons, resumes shipments

Anyone running Intel's 4th-Gen Xeon Scalable processors should be on the lookout for a firmware update to address the issue that briefly forced the x86 giant to halt shipments of mid-core-count chips. According to Intel, the mystery bug, discovered late last month, could "interrupt system operation" on Sapphire Rapids …

[Sparkus]

Aaaaaand

what's the performance hit of the patch?

[Korev]

Unfortunately, Intel didn't address our questions on the cause of the issue or under what conditions it first arose.

Maybe because naughty people could do all sorts fun things to multi-user clouds like AWS, Azure etc

[IGotOut]

Same thought. Sounds like an easily exploitable critical vuln.