What’s Vulnerable › Vulnerabilities
CVE-2025-13952: GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-01-24 · updated 2026-06-17
- Weakness: CWE-416
Description
A web page that contains unusual GPU shader code is loaded from the Internet into the GPU compiler process triggers a write use-after-free crash in the GPU shader compiler library. On certain platforms, when the compiler process has system privileges this could enable further exploits on the device. The shader code contained in the web page executes a path in the compiler that held onto an out of date pointer, pointing to a freed memory object.
Affected products
- Imagination Technologies Graphics DDK: before 25.3 — fixed in 25.3
How to fix
Upgrade to a fixed version: Imagination Technologies Graphics DDK 25.3. Check the vendor advisory for mitigations.
References
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