CVE-2026-45202

GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`

State: Published
Severity: 5.5 Medium
Published: Aug 21, 2026
Updated: Aug 27, 2026
Reserved: May 11, 2026

Description

Software installed and run as a non-privileged user may conduct GPU system calls which cause GPU memory leaks and possible kernel heap corruption.

Scenario caused by memory free paths not maintaining state data of upgraded higher order allocations. This could cause memory leak or double free event.

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-415 Double Free

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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