# CVE-2026-43195: drm/amdgpu: validate user queue size constraints

CVE-2026-43195 is fixed in linux on 1 platform by DEBIAN-CVE-2026-43195 (version 6.19.6-1), released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-43195
- Priority: High
- CVSS: 7.1 (Moderate)
- EPSS: 0.0013
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 6, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43195

## Description

In the Linux kernel, the following vulnerability has been resolved:  drm/amdgpu: validate user queue size constraints  Add validation to ensure user queue sizes meet hardware requirements: - Size must be a power of two for efficient ring buffer wrapping - Size must be at least AMDGPU_GPU_PAGE_SIZE to prevent undersized allocations  This prevents invalid configurations that could lead to GPU faults or unexpected behavior.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 6.19.6-1 | [DEBIAN-CVE-2026-43195](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43195.md) | May 15, 2026 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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