CVE-2026-74912

GPU DDK - Fix for CVE-2026-49746 prevents the mapping of graphics buffers > 4GB

Published Oct 30, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
On GPU systems with the security vulnerability fix for CVE-2026-49746 applied, the mapping range of graphics buffers is limited which causes errors when the mapping outside of that range.

Integer truncation caused when mapping GPU buffer pages in the buffer’s range 0GB - 4GB, produces error and limits the functionality of the kernel mode driver.

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': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 On GPU systems with the security vulnerability fix for CVE-2026-49746 applied, the mapping range of graphics buffers is limited which causes errors when the mapping outside of that range. Integer truncation caused when mapping GPU buffer pages in the buffer’s range 0GB - 4GB, produces error and limits the functionality of the kernel mode driver.
Title GPU DDK - Fix for CVE-2026-49746 prevents the mapping of graphics buffers > 4GB
Weaknesses CWE-823
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
imaginationtech
Published
Updated
Nov 5, 2026, 9:33 PM
Reserved
Aug 17, 2026, 10:54 AM
Status
Deferred
Published
Oct 30, 2026, 2:17 AM
Modified
Nov 5, 2026, 10:18 PM