GPU DDK - RGXFW_CTL.pui8FWScratchBuf Leak/Overwrite

published 2025-08-08 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24023

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

Kernel software installed and running inside an untrusted/rich execution environment (REE) could leak information from the trusted execution environment (TEE).

Patch / fix

fixed in 1

Imagination Technologies Graphics DDK 25.1 RTM1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 14 mo ago (2025-08-11)

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Imagination Technologies Graphics DDK

Classification

Weakness

CWE-280 Improper Handling of Insufficient Permissions or Privileges

References

imaginationtech.com /gpu-driver-vulnerabilities/

Sources

CVE List CVE-2025-6573
NVD CVE-2025-6573

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary