CVE:CVE-2021-46795
CNNVD:CNNVD-202301-850
AMD System Management Unit（SMU）和AMD Secure Processor（ASP）都是美国超威半导体（AMD）公司的产品。AMD System Management Unit是一个系统管理单元。AMD Secure Processor是一款独立的 ARM Coretex-A5 芯片。
多款AMD产品存在安全漏洞，该漏洞源于其允许攻击者利用竞争条件使用已受损的BIOS实现内存越界读取，从而可能导致拒绝服务。
solution:Upgrade amd comboam4v2_pi_firmware to a higher version than 1.2.0.5,and avoid the version (,1.2.0.5); Upgrade amd renoirpi-fp6_firmware to a higher version than 1.0.0.7,and avoid the version (,1.0.0.7); Upgrade amd cezannepi-fp6_firmware to a higher version than 1.0.0.6,and avoid the version (,1.0.0.6)