What’s Vulnerable › Vulnerabilities
CVE-2021-46764
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-05-09 · updated 2026-06-17
- Weakness: CWE-787
Description
Improper validation of DRAM addresses in SMU may allow an attacker to overwrite sensitive memory locations within the ASP potentially resulting in a denial of service.
Affected products
- AMD Epyc 7232P Firmware: romepi_1.0.0.e
- AMD Epyc 7252 Firmware: romepi_1.0.0.e
- AMD Epyc 7262 Firmware: romepi_1.0.0.e
- AMD Epyc 7272 Firmware: romepi_1.0.0.e
- AMD Epyc 7282 Firmware: romepi_1.0.0.e
- AMD Epyc 72F3 Firmware: milanpi_1.0.0.9
- AMD Epyc 7302 Firmware: romepi_1.0.0.e
- AMD Epyc 7302P Firmware: romepi_1.0.0.e
- AMD Epyc 7313 Firmware: milanpi_1.0.0.9
- AMD Epyc 7313P Firmware: milanpi_1.0.0.9
- AMD Epyc 7343 Firmware: milanpi_1.0.0.9
- AMD Epyc 7352 Firmware: romepi_1.0.0.e
- AMD Epyc 7373X Firmware: milanpi_1.0.0.9
- AMD Epyc 73F3 Firmware: milanpi_1.0.0.9
- AMD Epyc 7402 Firmware: romepi_1.0.0.e
- AMD Epyc 7402P Firmware: romepi_1.0.0.e
- AMD Epyc 7413 Firmware: milanpi_1.0.0.9
- AMD Epyc 7443 Firmware: milanpi_1.0.0.9
- AMD Epyc 7443P Firmware: milanpi_1.0.0.9
- AMD Epyc 7452 Firmware: romepi_1.0.0.e
- AMD Epyc 7453 Firmware: milanpi_1.0.0.9
- AMD Epyc 7473X Firmware: milanpi_1.0.0.9
- AMD Epyc 74F3 Firmware: milanpi_1.0.0.9
- AMD Epyc 7502 Firmware: romepi_1.0.0.e
- AMD Epyc 7502P Firmware: romepi_1.0.0.e
- AMD Epyc 7513 Firmware: milanpi_1.0.0.9
- AMD Epyc 7532 Firmware: romepi_1.0.0.e
- AMD Epyc 7542 Firmware: romepi_1.0.0.e
- AMD Epyc 7543 Firmware: milanpi_1.0.0.9
- AMD Epyc 7543P Firmware: milanpi_1.0.0.9
References
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
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