IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
https://www.debian.org/security/2023/dsa-5378
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/
http://www.openwall.com/lists/oss-security/2022/11/10/2
https://thehackernews.com/2024/10/new-research-reveals-spectre.html
https://www.bleepingcomputer.com/news/security/intel-amd-cpus-on-linux-impacted-by-newly-disclosed-spectre-bypass/
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040
https://security.gentoo.org/glsa/202402-07
Source: Mitre, NVD
Published: 2022-11-09
Updated: 2024-02-04
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00025