GPU DDK - Fix for CVE-2026-49746 prevents the mapping of graphics buffers > 4GB

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Summary

CVECVE-2026-74912
StatePUBLISHED
Assignerimaginationtech
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-30 02:17:09 UTC
Updated2026-10-30 19:39:14 UTC
DescriptionOn GPU systems with the security vulnerability fix for CVE-2026-49746 applied, the mapping range of graphics buffers is limited which causes errors when the mapping outside of that range. Integer truncation caused when mapping GPU buffer pages in the buffer’s range 0GB - 4GB, produces error and limits the functionality of the kernel mode driver.

Risk And Classification

EPSS: 0.001400000 probability, percentile 0.033060000 (date 2026-11-02)

Problem Types: CWE-823 | CWE-823 CWE - CWE-823: Use of Out-of-range Pointer Offset

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Imagination Technologies Graphics DDK affected 1.18 RTM2 custom Linux, Android
CNA Imagination Technologies Graphics DDK affected 23.2 RTM2 custom Linux, Android
CNA Imagination Technologies Graphics DDK affected 24.2 RTM2 custom Linux, Android
CNA Imagination Technologies Graphics DDK affected 25.1 RTM2 25.3 RTM custom Linux, Android
CNA Imagination Technologies Graphics DDK affected 26.1 RTM2 custom Linux, Android
CNA Imagination Technologies Graphics DDK unaffected 26.2 RTM custom Linux, Android

References

ReferenceSourceLinkTags
www.imaginationtech.com/gpu-driver-vulnerabilities 367425dc-4d06-4041-9650-c2dc6aaa27ce www.imaginationtech.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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