CVE-2026-34192

GPU DDK - _MMU_AllocLevel error recovery paths leave dangling page table entries

State: Published
Severity: 7.7 High
Published: Jun 19, 2026
Updated: Jun 22, 2026
Reserved: Mar 26, 2026

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an error path leading to UAF of GPU page tables.

The vulnerability allows physical memory allocated for MMU page tables to be used after being freed. This was caused by an error path that would not cleanup properly before freeing the physical allocation.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free (4.15)

Affected Products

Product	Versions
Graphics DDKImagination Technologies	1.18 RTMAffected 23.2 RTMAffected 24.2 RTMAffected 25.1 RTM through 25.3 RTMAffected 26.1 RTMNot affected

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

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