VulnerabilityModified
CVE-2022-23820
Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution.
CRITICAL 9.8EPSS 0.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- amd/ryzen 9 3900 firmware · amd/ryzen 9 3900x firmware · amd/ryzen 9 3900xt firmware · amd/ryzen 9 3950x firmware · amd/ryzen 7 3700x firmware · amd/ryzen 7 3800x firmware · amd/ryzen 7 3800xt firmware · amd/ryzen 5 3500 firmware · amd/ryzen 5 3500x firmware · amd/ryzen 5 3600 firmware · amd/ryzen 5 3600x firmware · amd/ryzen 5 3600xt firmware · amd/ryzen 3 3100 firmware · amd/ryzen 3 3300x firmware · amd/ryzen 9 5900 firmware · amd/ryzen 9 5900x firmware · amd/ryzen 9 5950x firmware · amd/ryzen 9 pro 5945 firmware · amd/ryzen 7 pro 5845 firmware · amd/ryzen 7 5800 firmware · +40 more
- Source
- psirt@amd.com
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.