CVE-2023-4969

Public Exploit
GPU kernel implementations susceptible to memory leak

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 1.21% Top 25%
Vendor Advisory khronos.org
Affected: Khronos Group OpenCL
Affected: Khronos Group Vulkan
Published at:
Updated at:

References

Link Tags
https://registry.khronos.org/OpenCL/specs/3.0-unified/html/OpenCL_API.html#_fundamental_memory_regions technical description
https://registry.khronos.org/vulkan/specs/1.3-extensions/html/index.html vendor advisory
https://kb.cert.org/vuls/id/446598 third party advisory us government resource
https://blog.trailofbits.com mitigation third party advisory exploit
https://www.kb.cert.org/vuls/id/446598 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2023-4969?
CVE-2023-4969 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4969?
To fix CVE-2023-4969, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4969 being actively exploited in the wild?
It is possible that CVE-2023-4969 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4969?
CVE-2023-4969 affects Khronos Group OpenCL, Khronos Group Vulkan.
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