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CVE-2023-4969— GPU kernel implementations susceptible to memory leak

Quick assessment

Affected
Khronos Group OpenCL
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.

OpenCL和Vulkan都是Khronos Group的产品。OpenCL是一个为异构平台编写程序的框架。Vulkan是一个低开销、跨平台的二维、三维图形与计算的应用程序接口（API）。 Khronos Group OpenCL,Vulkan和Apple Metal存在安全漏洞，该漏洞源于 GPU 内核可以观察来自不同 GPU 内核的内存值，即使这两个内核在应用程序、进程或用户之间是隔离的。

AI Predicted 7.5 Difficulty: Hard EPSS 1.19% · P67

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-4969

Vulnerability Information
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Vulnerability Title
GPU kernel implementations susceptible to memory leak
Source: CVE Program / CVE List V5
Vulnerability Description
A GPU kernel can read sensitive data from another GPU kernel (even from another user or app) through an optimized GPU memory region called _local memory_ on various architectures.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款通用图形处理单元安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenCL和Vulkan都是Khronos Group的产品。OpenCL是一个为异构平台编写程序的框架。Vulkan是一个低开销、跨平台的二维、三维图形与计算的应用程序接口（API）。 Khronos Group OpenCL,Vulkan和Apple Metal存在安全漏洞，该漏洞源于 GPU 内核可以观察来自不同 GPU 内核的内存值，即使这两个内核在应用程序、进程或用户之间是隔离的。
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
Khronos Group OpenCL 3.0.11 ~ 3.0.11 -
Khronos Group Vulkan 1.3.224 ~ 1.3.224 -

II. Public POCs for CVE-2023-4969

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III. Intelligence Information for CVE-2023-4969

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Vendor Advisories for CVE-2023-4969 (2)

Security Blog Posts for CVE-2023-4969 (1)

Other References for CVE-2023-4969 (2)

IV. Related Vulnerabilities

Same vendor: Khronos Group

V. Comments for CVE-2023-4969

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