CVE-2021-26370

HIGH

AMD EPYC 7003 Firmware < 1.0.0.4 - Arbitrary Bootloader Memory Overwrite via SVC_LOAD_FW_IMAGE_BY_INSTANCE

Title source: llm
STIX 2.1

Description

Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.

References (1)

Core 1
Core References

Scores

CVSS v3 7.1
EPSS 0.0013
EPSS Percentile 31.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Details

CWE
CWE-20
Status published
Products (49)
amd/epyc_7002_firmware < romepi-sp3_1.0.0.c
amd/epyc_7232p_firmware < romepi-sp3_1.0.0.c
amd/epyc_7252_firmware < romepi-sp3_1.0.0.c
amd/epyc_7262_firmware < romepi-sp3_1.0.0.c
amd/epyc_7272_firmware < romepi-sp3_1.0.0.c
amd/epyc_7282_firmware < romepi-sp3_1.0.0.c
amd/epyc_72f3_firmware < milanpi-sp3_1.0.0.4
amd/epyc_7302_firmware < romepi-sp3_1.0.0.c
amd/epyc_7302p_firmware < romepi-sp3_1.0.0.c
amd/epyc_7313_firmware < milanpi-sp3_1.0.0.4
... and 39 more
Published May 10, 2022
Tracked Since Feb 18, 2026