CVE-2026-21733

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

At a glance

Severity: HIGH 7.3
EPSS: EPSS 0.10 % · percentile 1 (2026-10-27)
State: PUBLISHED
Published: 2026-04-17
Updated: 2026-06-26
Assigner: imaginationtech
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L	CISA-ADP
CVSS 3.1	HIGH 7.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

European references

ENISA EUVD · EUVD-2026-23446
GCVE · GCVE-0-2026-21733

CERT-FR advisories

CERTFR-2026-AVI-1158 — Multiples vulnérabilités dans Google Android · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:* < 25.3
cpe:2.3:a:imaginationtech:ddk:25.3:rtm:*:*:*:*:*:*

Affected products

Product	Versions
Imagination Technologies · Graphics DDK	affected 1.18 RTM ; affected 23.2 RTM ; affected 24.1 RTM ≤ 24.2 RTM ; affected 25.1 RTM ≤ 25.3 RTM ; unaffected 26.1 RTM

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD