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CVE-2025-13952

GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP

Critical9.8EPSS 0.45%
Published
Updated
Reserved
Assigned by
imaginationtech

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 The shader code contained in the web page executes a path in the compiler that held onto an out of date pointer, pointing to a freed memory object.

Scores

CVSS scores of CVE-2025-13952, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.45% · top 61% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

  • Imagination Technologies · Graphics DDK

    • unaffected 1.17 RTM
    • unaffected 1.18 RTM
    • unaffected 23.2 RTM
    • unaffected 24.1 RTM – ≤ 24.2 RTM
    • affected 25.1 RTM – ≤ 25.2 RTM
    • unaffected 25.3 RTM

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .