CVE-2021-46763

HIGH

AMD EPYC Firmware - Memory Corruption in SMU

Title source: llm
STIX 2.1

Description

Insufficient input validation in the SMU may enable a privileged attacker to write beyond the intended bounds of a shared memory buffer potentially leading to a loss of integrity.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0014
EPSS Percentile 33.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (48)
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
... and 38 more
Published May 09, 2023
Tracked Since Feb 18, 2026