CVE-2026-21733

HIGH

GPU DDK - Incorrect flags validation in RGXDerivePTEProt8 can allow GPU to overwrite read-only shared memory (e.g. libc.so)

Title source: cna

Description

Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory and files. This is caused by improper handling of GPU memory reservation protections.

References (1)

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

Scores

CVSS v3 7.3

EPSS 0.0001

EPSS Percentile 1.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Details

CWE

CWE-280

Status published

Products (7)

Imagination Technologies/Graphics DDK 1.17 RTM

Imagination Technologies/Graphics DDK 1.18 RTM

Imagination Technologies/Graphics DDK 23.2 RTM

Imagination Technologies/Graphics DDK 24.1 RTM - 24.2 RTM

Imagination Technologies/Graphics DDK 25.1 RTM - 25.3 RTM

Imagination Technologies/Graphics DDK 26.1 RTM

Imagination Technologies/Graphics DDK RESERVED

Published Apr 17, 2026

Tracked Since Apr 17, 2026