VulnerabilityModified
CVE-2022-23824
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
MEDIUM 5.5EPSS 0.59%
Does this matter?
Lower severity and a low EPSS score (0.59%). Track it; it rarely justifies an emergency change on its own.
Description
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.59% probability · 46th percentile
- CISA KEV
- Not listed
- Affected
- xen/xen · amd/athlon x4 750 firmware · amd/athlon x4 760k firmware · amd/athlon x4 830 firmware · amd/athlon x4 835 firmware · amd/athlon x4 840 firmware · amd/athlon x4 845 firmware · amd/athlon x4 860k firmware · amd/athlon x4 870k firmware · amd/athlon x4 880k firmware · amd/athlon x4 940 firmware · amd/athlon x4 950 firmware · amd/athlon x4 970 firmware · amd/ryzen threadripper pro 3995wx firmware · amd/ryzen threadripper pro 3795wx firmware · amd/ryzen threadripper pro 3955wx firmware · amd/ryzen threadripper pro 3945wx firmware · amd/ryzen threadripper pro 5955wx firmware · amd/ryzen threadripper pro 5965wx firmware · amd/ryzen threadripper pro 5945wx firmware · +40 more
- Source
- psirt@amd.com
References
- http://www.openwall.com/lists/oss-security/2022/11/10/2Mailing List, Mitigation, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTQMPJC5N6XJYQ232OZFLK47HVZNRBY3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
- https://security.gentoo.org/glsa/202402-07
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040Mitigation, Vendor Advisory
- https://www.debian.org/security/2023/dsa-5378
- http://www.openwall.com/lists/oss-security/2022/11/10/2Mailing List, Mitigation, Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTQMPJC5N6XJYQ232OZFLK47HVZNRBY3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/
- https://security.gentoo.org/glsa/202402-07
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040Mitigation, Vendor Advisory
- https://www.debian.org/security/2023/dsa-5378
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.