CVE-2026-41158

GPU DDK - Backed sparse PMRs are not handled by deferred free mechanism after shrink

State: Published
Severity: 7.8 High
Published: Jun 12, 2026
Updated: Jun 15, 2026
Reserved: Apr 17, 2026

Description

Software installed and run as a non-privileged user may conduct GPU system calls to write to arbitrary freed physical pages.

Physical memory allocated and freed, without the deferred free mechanism can lead to those resources being used for read/write by the GPU after the kernel module has freed the resource.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Graphics DDKImagination Technologies	1.18 RTMNot affected 23.2 RTMNot affected 24.2 RTMNot affected 25.1 RTM through 25.3 RTMAffected 26.1 RTMAffected 26.2 RTMNot affected

References

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

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