GPU DDK - Arbitrary write via UFO updates due insufficient pointer validation in rgxfw_to_ptr()

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Summary

CVECVE-2026-34193
StatePUBLISHED
Assignerimaginationtech
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-01 13:16:31 UTC
Updated2026-06-01 15:16:33 UTC
DescriptionKernel software installed and running inside a Guest/Host VM may post improper commands to the GPU Firmware to trigger a write of data outside the intended GPU memory. A logic error in the address translation allowed a compromised Host (Kernel) to perform arbitrary writes to firmware memory.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from ADP

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

Problem Types: CWE-823 | CWE-823 CWE - CWE-823: Use of Out-of-range Pointer Offset (4.16)

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.3MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.3MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

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

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

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 24.2 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 RTM1 custom Linux, Android
CNA Imagination Technologies Graphics DDK unaffected 26.1 RTM2 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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