CVE-2026-45200

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

Published Sep 4, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Imaginationtech
Imaginationtech graphics Ddk
Vendors & Products Imaginationtech
Imaginationtech graphics Ddk
Type Values Removed Values Added
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.
Title GPU DDK - Double free in _FreeOSPages due to incorrect allocation flag set by _EncodeAllocationFlags
Weaknesses CWE-416
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
imaginationtech
Published
Updated
Sep 9, 2026, 4:26 AM
Reserved
May 11, 2026, 10:58 AM
Status
Awaiting Analysis
Published
Sep 4, 2026, 2:17 AM
Modified
Sep 9, 2026, 5:17 AM