GPU DDK - Backed sparse PMRs are not handled by deferred free mechanism after shrink

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Summary

CVECVE-2026-41158
StatePUBLISHED
Assignerimaginationtech
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-12 22:16:50 UTC
Updated2026-06-12 22:16:50 UTC
DescriptionSoftware installed and run as a non-privileged user may conduct GPU system calls to write to arbitrary freed physical pages. Physical memory allocated and freed, without the deferred free mechanism can lead to those resources being used for read/write by the GPU after the kernel module has freed the resource.

Risk And Classification

Problem Types: CWE-416 | CWE-416 CWE-416: Use After Free

Vendor Declared Affected Products

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