CVE-2023-4969

GPU kernel implementations susceptible to memory leak

State: Published
Severity: 6.5 Medium
Published: Jan 16, 2024
Updated: Jun 20, 2025
Reserved: Sep 14, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
OpenCLKhronos Group	3.0.11 through 3.0.11Affected
VulkanKhronos Group	1.3.224 through 1.3.224Affected

References

https://registry.khronos.org/OpenCL/specs/3.0-unified/html/OpenCL_API.html#_fundamental_memory_regions
https://registry.khronos.org/vulkan/specs/1.3-extensions/html/index.html
https://kb.cert.org/vuls/id/446598
https://blog.trailofbits.com/
https://www.kb.cert.org/vuls/id/446598

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