VulnerabilityModified
CVE-2021-46762
Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.
CRITICAL 9.1EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Insufficient input validation in the SMU may allow an attacker to corrupt SMU SRAM potentially leading to a loss of integrity or denial of service.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- amd/epyc 72f3 firmware · amd/epyc 7313 firmware · amd/epyc 7313p firmware · amd/epyc 7343 firmware · amd/epyc 7373x firmware · amd/epyc 73f3 firmware · amd/epyc 7413 firmware · amd/epyc 7443 firmware · amd/epyc 7443p firmware · amd/epyc 7453 firmware · amd/epyc 7473x firmware · amd/epyc 74f3 firmware · amd/epyc 7513 firmware · amd/epyc 7543 firmware · amd/epyc 7543p firmware · amd/epyc 7573x firmware · amd/epyc 75f3 firmware · amd/epyc 7643 firmware · amd/epyc 7663 firmware · amd/epyc 7713 firmware · +28 more
- Source
- psirt@amd.com
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001Vendor 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.