CVE-2026-49746

GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem

Published Aug 7, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Software installed and run as a non-privileged user may conduct improper GPU system calls to cause OOB read kernel memory access and in certain cases cause GPU UAF of arbitrary pages.



Incorrect validation of array index can lead to OOB read and potentially to GPU UAF of arbitrary pages.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, '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 system calls to cause OOB read kernel memory access and in certain cases cause GPU UAF of arbitrary pages. Incorrect validation of array index can lead to OOB read and potentially to GPU UAF of arbitrary pages.
Title GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem
Weaknesses CWE-823
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
imaginationtech
Published
Updated
Aug 7, 2026, 5:53 PM
Reserved
Jun 1, 2026, 11:03 AM
Status
Deferred
Published
Aug 7, 2026, 3:16 AM
Modified
Oct 24, 2026, 4:10 PM