CVE-2022-23824

Name: CVE-2022-23824
Creator: NVD / NIST
Published: 2022-11-09T21:15:13.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2022-23824 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.59%

43.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Xen	Xen	All versions
Amd	Athlon X4 750 Firmware	All versions
Amd	Athlon X4 760k Firmware	All versions
Amd	Athlon X4 830 Firmware	All versions
Amd	Athlon X4 835 Firmware	All versions
Amd	Athlon X4 840 Firmware	All versions
Amd	Athlon X4 845 Firmware	All versions
Amd	Athlon X4 860k Firmware	All versions
Amd	Athlon X4 870k Firmware	All versions
Amd	Athlon X4 880k Firmware	All versions
Amd	Athlon X4 940 Firmware	All versions
Amd	Athlon X4 950 Firmware	All versions
Amd	Athlon X4 970 Firmware	All versions
Amd	Ryzen Threadripper Pro 3995wx Firmware	All versions
Amd	Ryzen Threadripper Pro 3795wx Firmware	All versions
Amd	Ryzen Threadripper Pro 3955wx Firmware	All versions
Amd	Ryzen Threadripper Pro 3945wx Firmware	All versions
Amd	Ryzen Threadripper Pro 5955wx Firmware	All versions
Amd	Ryzen Threadripper Pro 5965wx Firmware	All versions
Amd	Ryzen Threadripper Pro 5945wx Firmware	All versions
Amd	Ryzen Threadripper Pro 5975wx Firmware	All versions
Amd	Ryzen Threadripper Pro 5995wx Firmware	All versions
Amd	Ryzen Threadripper 2990wx Firmware	All versions
Amd	Ryzen Threadripper 2970wx Firmware	All versions
Amd	Ryzen Threadripper 2950x Firmware	All versions
Amd	Ryzen Threadripper 2920x Firmware	All versions
Amd	Ryzen Threadripper 3990x Firmware	All versions
Amd	Ryzen Threadripper 3970x Firmware	All versions
Amd	Ryzen Threadripper 3960x Firmware	All versions
Amd	A12-9700p Firmware	All versions
Amd	A12-9730p Firmware	All versions
Amd	A10-9600p Firmware	All versions
Amd	A10-9630p Firmware	All versions
Amd	A9-9410 Firmware	All versions
Amd	A9-9420 Firmware	All versions
Amd	A6-9210 Firmware	All versions
Amd	A6-9220 Firmware	All versions
Amd	A6-9220c Firmware	All versions
Amd	A4-9120 Firmware	All versions
Amd	Ryzen 3 2200u Firmware	All versions
Amd	Ryzen 3 2300u Firmware	All versions
Amd	Ryzen 5 2500u Firmware	All versions
Amd	Ryzen 5 2600 Firmware	All versions
Amd	Ryzen 5 2600h Firmware	All versions
Amd	Ryzen 5 2600x Firmware	All versions
Amd	Ryzen 5 2700 Firmware	All versions
Amd	Ryzen 5 2700x Firmware	All versions
Amd	Ryzen 7 2700 Firmware	All versions
Amd	Ryzen 7 2700u Firmware	All versions
Amd	Ryzen 7 2700x Firmware	All versions

Showing 50 of 170 affected configurations. See NVD for the full list.

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

Timeline

Published: Nov 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23824?

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

How severe is CVE-2022-23824?

CVE-2022-23824 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23824?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-23824?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST