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CVE-2024-21977

CVSS 3.2 · Low EPSS 0.01% · P3
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I. Basic Information for CVE-2024-21977

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Incomplete cleanup after loading a CPU microcode patch may allow a privileged attacker to degrade the entropy of the RDRAND instruction, potentially resulting in loss of integrity for SEV-SNP guests.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
清理环节不完整
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Embedded Processors等都是美国超威半导体（AMD）公司的产品。AMD Embedded Processors是一系列嵌入式高性能 GPU。AMD Client Processor是面向客户端设备（如个人电脑、笔记本电脑等）的处理器。AMD Server Processor是面向服务器市场的处理器产品，主要用于数据中心、云计算、高性能计算等领域。 AMD多款产品存在安全漏洞，该漏洞源于加载CPU微码补丁后清理不完整，可能导致特权攻击者降低RDRAND指令的熵，影响SEV-SNP客户
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
AMDAMD EPYC™ 7003 Series Processors MilanPI 1.0.0.D -
AMDAMD EPYC™ 9004 Series Processors GenoaPI 1.0.0.C -
AMDAMD EPYC™ 8004 Series Processors GenoaPI 1.0.0.C -
AMDAMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.8 -
AMDAMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.1 -
AMDAMD Ryzen™ 7035 Series Processors with Radeon™ Graphics RembrandtPI-FP7/FP7r2_1.0.0.B -
AMDAMD Ryzen™ 5000 Series Desktop Processors ComboAM4v2 1.2.0.Cb -
AMDAMD Ryzen™ 7000 Series Desktop Processors ComboAM5 1.2.0.1 -
AMDAMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics PhoenixPI-FP8-FP7_1.1.0.3 -
AMDAMD Ryzen™ 6000 Series Processors with Radeon™ Graphics RembrandtPI-FP7/FP7r2_1.0.0.B -
AMDAMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics DragonRangeFL1 1.0.0.3e -
AMDAMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.8 -
AMDAMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6_1.0.1.1 -
AMDAMD Ryzen™ 8000 Series Desktop Processors ComboAM5 1.2.0.1 -
AMDAMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 1.0.0.9 -
AMDAMD EPYC™ Embedded 9004 Series Processors EmbGenoaPI-SP5 1.0.0.9 -
AMDAMD Ryzen™ Embedded 8000 Series Processors EmbeddedPhoenixPI-FP7r2_1.2.0.0 -
AMDAMD Ryzen™ Embedded 7000 Series Processors EmbeddedAM5PI 1.0.0.3 -
AMDAMD Ryzen™ Embedded 5000 Series Processors EmbAM4PI 1.0.0.7 -
AMDAMD Ryzen™ Embedded V3000 Series Processors Embedded-PI_FP7r2 100A -

II. Public POCs for CVE-2024-21977

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III. Intelligence Information for CVE-2024-21977

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IV. Related Vulnerabilities

Same product: AMD EPYC™ 7003 Series Processors
Same vendor: AMD
Same weakness: CWE-459

V. Comments for CVE-2024-21977

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