EUVD-2026-54348
GHSA-xxq2-97gh-5p37
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Local non-privileged GPU syscall access required (AV:L, PR:L); kernel OOB read gives C:H; UAF gives A:H; no integrity impact confirmed from available data.
Primary rating from Vendor (imaginationtech).
CVSS VectorVendor: imaginationtech
Lifecycle Timeline
4DescriptionCVE.org
Software installed and run as a non-privileged user may conduct improper GPU system calls to cause OOB read kernel memory access and in certain cases cause GPU UAF of arbitrary pages.
Incorrect validation of array index can lead to OOB read and potentially to GPU UAF of arbitrary pages.
AnalysisAI
Out-of-bounds kernel memory read and GPU use-after-free in Imagination Technologies Graphics DDK exposes systems to kernel memory disclosure and potential arbitrary page corruption by local, non-privileged users. Incorrect array index validation in the GPU driver stack allows crafted GPU system calls to bypass kernel memory safety boundaries, resulting in both information disclosure (kernel memory read) and high-availability impact (UAF of arbitrary GPU-managed pages). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local account or process with non-privileged user access (CVSS PR:L) on a system whose SoC incorporates an Imagination Technologies PowerVR GPU running one of the affected DDK versions. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H, score 7.1) is consistent with the description: local access with low privilege is sufficient, no user interaction is required, and the impact is confidentiality (kernel memory disclosure) and availability (UAF-induced instability). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary remediation is to obtain and deploy updated Graphics DDK releases from Imagination Technologies that correct the array index validation in the GPU syscall path. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running Imagination Technologies Graphics DDK and classify by criticality. …
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Same weakness CWE-823 – Use of Out-of-range Pointer Offset
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External POC / Exploit Code
Leaving vuln.today