CVE-2021-26398
HIGHAMD EPYC Firmware - Out-of-bounds Write via SYS_KEY_DERIVE System Call
Title source: llmDescription
Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032
Scores
CVSS v3
7.8
EPSS
0.0006
EPSS Percentile
19.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-787
Status
published
Products (50)
amd/epyc_7001_firmware
< naplespi_1.0.0.h
amd/epyc_7002_firmware
< romepi_1.0.0.c
amd/epyc_7003_firmware
< milanpi_1.0.0.4
amd/epyc_7232p_firmware
< romepi_1.0.0.c
amd/epyc_7251_firmware
< naplespi_1.0.0.h
amd/epyc_7252_firmware
< romepi_1.0.0.c
amd/epyc_7261_firmware
< naplespi_1.0.0.h
amd/epyc_7262_firmware
< romepi_1.0.0.c
amd/epyc_7272_firmware
< romepi_1.0.0.c
amd/epyc_7281_firmware
< naplespi_1.0.0.h
... and 40 more
Published
Jan 11, 2023
Tracked Since
Feb 18, 2026