CVE:CVE-2021-26355
CNNVD:CNNVD-202301-860
AMD System Management Unit（SMU）是美国超威半导体（AMD）公司的一个系统管理单元。
AMD System Management Unit (SMU)存在安全漏洞，该漏洞源于防护和检查不足，导致访问无效的消息端口寄存器，从而可能导致拒绝服务。
solution:Upgrade amd epyc_7003_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_72f3_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7313_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7313p_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7343_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7373x_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_73f3_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7413_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7443_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7443p_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7453_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_74f3_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7513_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7543_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7543p_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7573x_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_75f3_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7643_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7663_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7713_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7713p_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7743_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7763_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7); Upgrade amd epyc_7773x_firmware to a higher version than milanpi-sp3_1.0.0.7,and avoid the version (,milanpi-sp3_1.0.0.7)