CVE-2022-23821

Description

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.33%
Vendor Advisory amd.com Vendor Advisory amd.com
Affected: AMD Ryzen™ 3000 Series Desktop Processors “Matisse”
Affected: AMD Ryzen™ 5000 Series Desktop Processors “Vermeer”
Affected: AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”
Affected: AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4
Affected: AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”
Affected: AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDT
Affected: AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3
Affected: AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS
Affected: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5
Affected: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”
Affected: AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5
Affected: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6
Affected: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”
Affected: AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4
Affected: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”
Affected: AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"
Affected: AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”
Affected: AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”
Affected: AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”
Affected: AMD AMD Ryzen™ Embedded R1000
Affected: AMD AMD Ryzen™ Embedded R2000
Affected: AMD AMD Ryzen™ Embedded 5000
Affected: AMD AMD Ryzen™ Embedded V1000
Affected: AMD AMD Ryzen™ Embedded V2000
Affected: AMD AMD Ryzen™ Embedded V3000
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 third party advisory vendor advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-23821?
CVE-2022-23821 has been scored as a critical severity vulnerability.
How to fix CVE-2022-23821?
To fix CVE-2022-23821, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-23821 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-23821 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23821?
CVE-2022-23821 affects AMD Ryzen™ 3000 Series Desktop Processors “Matisse”, AMD Ryzen™ 5000 Series Desktop Processors “Vermeer”, AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4, AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”, AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDT, AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3, AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”, AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt", AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”, AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”, AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”, AMD AMD Ryzen™ Embedded R1000, AMD AMD Ryzen™ Embedded R2000, AMD AMD Ryzen™ Embedded 5000, AMD AMD Ryzen™ Embedded V1000, AMD AMD Ryzen™ Embedded V2000, AMD AMD Ryzen™ Embedded V3000.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.