VulnerabilityModified
CVE-2023-20533
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
HIGH 7.5EPSS 0.50%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.50% probability · 41th percentile
- CISA KEV
- Not listed
- Affected
- amd/epyc 7232p firmware · amd/epyc 7252 firmware · amd/epyc 7262 firmware · amd/epyc 7272 firmware · amd/epyc 7282 firmware · amd/epyc 7302 firmware · amd/epyc 7302p firmware · amd/epyc 7352 firmware · amd/epyc 7402 firmware · amd/epyc 7402p firmware · amd/epyc 7452 firmware · amd/epyc 7502 firmware · amd/epyc 7502p firmware · amd/epyc 7532 firmware · amd/epyc 7542 firmware · amd/epyc 7552 firmware · amd/epyc 7642 firmware · amd/epyc 7662 firmware · amd/epyc 7702 firmware · amd/epyc 7702p 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.