CVE-2023-31315
Quick assessment
Affected
AMD 3rd Gen AMD EPYC™ Processors
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
AMD Processors是美国超威半导体（AMD）公司的一款处理器。 AMD Processors存在安全漏洞，该漏洞源于模型特定寄存器中的不正确验证，可能允许具有访问权限的恶意程序在启用SMI锁的情况下修改SMM配置，从而导致任意代码执行。
Possible ATT&CK Techniques 2 AI
T1055 · Process Injection T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-31315
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
AMD Processors 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD Processors是美国超威半导体（AMD）公司的一款处理器。 AMD Processors存在安全漏洞，该漏洞源于模型特定寄存器中的不正确验证，可能允许具有访问权限的恶意程序在启用SMI锁的情况下修改SMM配置，从而导致任意代码执行。
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
II. Public POCs for CVE-2023-31315
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2023-31315 (1)
-
SMM Lock Bypass vendor-advisory
Other References for CVE-2023-31315 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2023-31315
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