CVE-2021-26339
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I. Basic Information for CVE-2021-26339
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD CPUs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD CPUs是美国AMD公司的一个系列CPU。 AMD CPUs 存在安全漏洞。攻击者利用该漏洞使用来自非特权VM的特定代码触发CPU核心挂起，从而导致潜在的拒绝服务。
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 | EPYC™ Processors | various | - | |
| AMD | Ryzen™ Series | various | - | |
| AMD | Athlon™ Series | various | - |
II. Public POCs for CVE-2021-26339
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · AMD · 2022-05-11 · 15 CVEs total
| CVE-2021-46744 | AMD CPUs 加密问题漏洞 | |
| CVE-2021-26400 | AMD processors 安全漏洞 | |
| CVE-2021-26388 | AMD BIOS 缓冲区错误漏洞 | |
| CVE-2021-26376 | AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-26373 | AMD System Management Unit 输入验证错误漏洞 | |
| CVE-2021-26348 | AMD Processors 安全漏洞 | |
| CVE-2021-26364 | AMD CPUs缓冲区错误漏洞 | |
| CVE-2021-26349 | AMD Processors 安全漏洞 | |
| CVE-2021-26378 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26347 | AMD System Management Unit 安全漏洞 | |
| CVE-2021-26342 | AMD CPUs 安全漏洞 | |
| CVE-2021-26375 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26372 | AMD System Management Unit 缓冲区错误漏洞 | |
| CVE-2021-26350 | AMD System Management Unit 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-26339
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