Description
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
AMD AMD Processors
Processor variousaffected
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/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTQMPJC5N6XJYQ232OZFLK47HVZNRBY3/ ↗
- https://www.debian.org/security/2023/dsa-5378 ↗
- https://security.gentoo.org/glsa/202402-07 ↗