CVE-2026-45204

GPU DDK - Out of bounds memory access and kernel NULL pointer dereference in DmaTransfer when pui64Address is a pointer to device memory

State: Published
Severity: 5.5 Medium
Published: Aug 7, 2026
Updated: Aug 7, 2026
Reserved: May 11, 2026

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Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to trigger OOB access and kernel null pointer dereference in an error path.

Null pointer dereference occurs in an error path of a function running in kernel thread of execution leading to kernel exceptions, platform instability and denial of service.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 CWE - CWE-476: NULL Pointer Dereference (4.15)

Affected Products

Product	Versions
Graphics DDKImagination Technologies	1.18 RTM2Affected 23.2 RTM2Affected 24.2 RTM2Affected 25.1 RTM2 through 25.3 RTMAffected 26.1 RTM1Affected 26.1 RTM2Not affected

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

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