CVE-2022-23824

Description

IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.

References

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040

http://www.openwall.com/lists/oss-security/2022/11/10/2

https://lists.fedoraproject.org/archives/list/[email protected]/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/NTQMPJC5N6XJYQ232OZFLK47HVZNRBY3/

Details