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English(EN) Just one instruction on AMD's 2015-era CPUs gets you access to Platform Security Processor, microcode, and System Management Interface — exploit for 15h and 16h chip families cracks open secret memory areas

漏洞可实现对旧款AMD CPU的硬件级控制

作者 PulseAugur 编辑部 · [1 个来源] ·

一项新发现的漏洞，名为Skitter Creek Bath Salts (Skitter)，可实现对2011-2015年某些AMD CPU的硬件级控制。该漏洞由黑客Christopher Domas开发，利用一条指令即可禁用内存映射，从而访问Platform Security Processor (PSP)、微码和System Management Mode (SMM)等敏感区域。虽然需要内核级访问权限才能启动，但该漏洞通过操纵CPU的银行交错功能（称为BankSwizzleMode）有效地绕过了安全保护。 AI

排序理由 该集群描述了一个新发现的、影响特定硬件的安全漏洞，属于系统漏洞研究范畴。[lever_c_demoted from research: ic=1 ai=0.1]

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漏洞可实现对旧款AMD CPU的硬件级控制

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该集群描述了一个新发现的、影响特定硬件的安全漏洞，属于系统漏洞研究范畴。[lever_c_demoted from research: ic=1 ai=0.1]
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报道来源 [1]

  1. Tom's Hardware TIER_1 English(EN) · Bruno Ferreira ·

    AMD 2015年时期CPU上的一条指令即可访问Platform Security Processor、微码和System Management Interface——针对15h和16h芯片家族的漏洞可破解秘密内存区域

    Just one instruction on AMD CPUs gets you access to Platform Security Processor, microcode, and System Management Interface — exploit for 15h and 16h chip families cracks open secret memory areas

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