CVE-2021-26318— Side-channels Related to the x86 PREFETCH Instruction
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I. Basic Information for CVE-2021-26318
Vulnerability Information
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Vulnerability Title
Side-channels Related to the x86 PREFETCH Instruction
Source: NVD (National Vulnerability Database)
Vulnerability Description
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过时间差异性导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Advanced Micro Devices Cpu 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Advanced Micro Devices Cpu（Amd Cpu）是美国Advanced Micro Devices公司的一个出色的 Amd 的中央处理器 。 Advanced Micro Devices Cpu 存在安全漏洞，攻击者可利用该漏洞在一些AMD cpu上利用x86 PREFETCH指令进行基于时间和功率的侧通道导致内核地址空间信息泄露。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AMD | All supported processors | unspecified ~ undefined | - |
II. Public POCs for CVE-2021-26318
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-208
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V. Comments for CVE-2021-26318
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