CVE-2026-45200

GPU DDK - Double free in _FreeOSPages due to incorrect allocation flag set by _EncodeAllocationFlags

State: Published
Severity: 7.8 High
Published: Sep 4, 2026
Updated: Sep 9, 2026
Reserved: May 11, 2026

Description

Software installed and run as a non-privileged user may conduct improper GPU driver IOCTL calls to create an allocation scenario that when freed would cause double free and kernel heap corruption.

Scenario caused by fabricating a specific combination of flags on the allocation interface that would cause an incorrect double free event when freed.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Graphics DDKImagination Technologies	1.18 RTM2Not affected 23.2 RTM2Not affected 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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