CVE-2026-49746

GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem

State: Published
Severity: 7.1 High
Published: Aug 7, 2026
Updated: Aug 7, 2026
Reserved: Jun 1, 2026

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause OOB read kernel memory access and in certain cases cause GPU UAF of arbitrary pages.

Incorrect validation of array index can lead to OOB read and potentially to GPU UAF of arbitrary pages.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	CISA-ADP

Weaknesses

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

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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