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OpenAdvisories
Medium · 6.5 CVE-2023-4969 EUVD-2023-54805GHSA-95ph-5wpx-w6gq

GPU kernel implementations susceptible to memory leak

Published Jan 16, 2024 · Updated Jun 20, 2025 · Assigned by certcc

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.

Affected products

VendorProductAffectedFixed
Khronos Group OpenCL 3.0.11 – ≤ 3.0.11 —
Khronos Group Vulkan 1.3.224 – ≤ 1.3.224 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 firmware-nonfree 20240610-1 —
Debian 13 firmware-nonfree 20240610-1 —
Debian 12 firmware-nonfree No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 linux-firmware No fix yet —
Ubuntu 26.04 LTS linux-firmware No fix yet —
Ubuntu 25.10 linux-firmware No fix yet —
Ubuntu 24.04 LTS linux-firmware No fix yet —
Ubuntu 22.04 LTS linux-firmware No fix yet —
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-firmware No fix yet —
Ubuntu 14.04 LTS linux-firmware No fix yet —
Ubuntu Pro 20.04 LTS linux-firmware No fix yet —
Ubuntu Pro 18.04 LTS linux-firmware No fix yet —

Advisories 1

References