Intel Processors Hit by “Lazy FP State Restore” Vulnerability

Security researchers have discovered a vulnerability affecting all modern Intel Core and Xeon processors, which is an exploit of a performance optimization feature called “lazy FP state restore,” which can be exploited to sniff out sensitive information, including cryptographic keys used to protect sensitive data. The flaw affects all x86 micro-architectures by Intel, “Sandy Bridge” and later.

The “lazy FP state restore” feature is a set of commands used to temporarily store or res…
TechPowerUp

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.