Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
https://thehackernews.com/2024/10/new-research-reveals-spectre.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00982.html
https://security.netapp.com/advisory/ntap-20240405-0008/
https://lists.debian.org/debian-lts-announce/2024/05/msg00003.html