CVE-2026-45202

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

Published Aug 21, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

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 ssvc

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

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 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.
Title GPU DDK - Silent High-Order CMA Memory Leak & Double Free in `_FreeOSPages_Fast`
Weaknesses CWE-415
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
imaginationtech
Published
Updated
Aug 27, 2026, 7:17 PM
Reserved
May 11, 2026, 10:58 AM
Status
Deferred
Published
Aug 21, 2026, 4:18 AM
Modified
Oct 18, 2026, 8:10 PM