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  4. CVE 2026 45201 gpu ddk incorrect page size validation in
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Back to active CVEs
High · CVSS 7.8CVE-2026-45201

GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read and/or write of arbitrary physical memoryCVE-2026-45201

Answer in brief

CVE-2026-45201 records a High severity (CVSS 7.8) vulnerability in GPU DDK - Incorrect page size validation in PhysmemNewRamBackedPMR could lead to OOB read and/or write of arbitrary physical memory. The current sources do not mark it as known exploited. The current feed maps Imagination Technologies/Graphics DDK (generic), Imagination Technologies/Graphics DDK (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 21, 2026Updated Sep 3, 2026Source checked Oct 5, 2026First seen by HOL Aug 21, 2026Material review Sep 3, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Imagination Technologies/Graphics DDK (generic), Imagination Technologies/Graphics DDK (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Imagination Technologies/Graphics DDKgeneric24.2 RTM2 || 25.1 RTM2 || 26.1 RTM1Not reported
Imagination Technologies/Graphics DDKgeneric24.2 RTM2 || >=25.1 RTM2 <=25.3 RTM || 26.1 RTM1Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Imagination Technologies/Graphics DDK, Imagination Technologies/Graphics DDK.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 21, 2026

Sources and claim methodology

  • Source referenceimaginationtech.com
Upstream source description

Software installed and run as a non-privileged user may conduct improper GPU system calls to pass invalid log2 page size when allocating physical pages leading to OOB read and/or write due to improper validation of the said value. Such crafted log2 page size could lead to 4K pages being treated as higher order pages and allowing read and/or write access to the memory beyond 4K threshold.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-1284
Source
CVE List V5
Source checked
Oct 5, 2026
References
1 linked source
Open source record