This advisory is one of the 10 released vulnerabilities published by Intel June 10th[1][2]. One of them is called Spectre v1.1 (Paper: https://people.csail.mit.edu/vlk/spectre11.pdf ). At least 2 of the 10 vulnerabilities seem to be part of Intel's Bug Bounty Program, one of them worth $100k[3]. 

[1] https://www.intel.com/content/www/us/en/security-center/default.html

[2] https://01.org/security/advisories/intel-oss-10002