CVE-2021-26402

published 2023-01-11

CVE-2021-26402: Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled…

high 7.1 CVSS 3.1

AV L AC L PR L UI N S U C N I H A H

Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.

Affected

52 ranges · showing 25

Vendor	Product	Version range	Fixed in
amd	2nd_gen_epyc	—	—
amd	3rd_gen_epyc	—	—
amd	epyc_7002_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7003_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7232p_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7252_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7262_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7272_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7282_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_72f3_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7302_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7302p_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7313_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7313p_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7343_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7352_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7373x_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_73f3_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7402_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7402p_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7413_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7443_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7443p_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4
amd	epyc_7452_firmware	< romepi_1.0.0.c	romepi_1.0.0.c
amd	epyc_7453_firmware	< milanpi_1.0.0.4	milanpi_1.0.0.4

CWE-787