GPU DDK - Cache resident PM buffers writable by other GPU requestors, leading to arbitrary write to physical memory

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Summary

CVECVE-2026-22167
StatePUBLISHED
Assignerimaginationtech
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-01 16:16:29 UTC
Updated2026-05-01 20:16:21 UTC
DescriptionSoftware installed and run as a non-privileged user may conduct improper GPU system calls to force GPU to write to arbitrary physical memory pages. Under certain circumstances this exploit could be used to corrupt data pages not allocated by the GPU driver but memory pages in use by the kernel and drivers running on the platform altering their behaviour. This attack can lead the GPU to perform write operations on restricted internal GPU buffers that can lead to a second order affect of corrupted arbitrary physical memory.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-119 | CWE-119 CWE - CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer (4.18)

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Imagination Technologies Graphics DDK affected 1.18 RTM custom Linux, Android
CNA Imagination Technologies Graphics DDK affected 23.2 RTM custom Linux, Android
CNA Imagination Technologies Graphics DDK affected 24.1 RTM 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 unaffected 26.1 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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