GPU Memory Mismanagement in Imagination Technologies Software
CVE-2026-21733

7.3HIGH

Key Information:

Vendor

Imagination Technologies

Status
Graphics Ddk
Vendor
CVE Published:
17 April 2026

What is CVE-2026-21733?

A vulnerability exists in Imagination Technologies' GPU Driver Software that allows software running with non-privileged access to make unauthorized GPU system calls. This mismanagement of GPU memory reservation protections can lead to unauthorized write permissions for read-only wrapped user-mode memory and files, potentially exposing sensitive data and compromising system integrity.

Affected Version(s)

Graphics DDK Linux RESERVED

References

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

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.