Khronos Group OpenCL/Vulkan buffer overflow

Summaryinfo

A vulnerability identified as critical has been detected in Khronos Group OpenCL and Vulkan. This impacts an unknown function. Performing a manipulation results in buffer overflow. This vulnerability is known as CVE-2023-4969. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Khronos Group OpenCL and Vulkan (affected version not known). This affects some unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 01/16/2024 by Trail. It is possible to read the advisory at registry.khronos.org. This vulnerability is uniquely identified as CVE-2023-4969 since 09/14/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/06/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Khronos Group

Name

• OpenCL
• Vulkan

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CPE 2.2info

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