CVE-2026-45203
GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU
HIGH 7.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.13 % · percentile 2 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- imaginationtech
- NVD status
- Analyzed
Description
Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel. A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.
Weaknesses (CWE)
- CWE-367 — TOCTOU Race Condition
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-43043
- GCVE · GCVE-0-2026-45203
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:*:*:*:*:*:*:*:*< 26.1cpe:2.3:a:imaginationtech:ddk:26.1:rtm1:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Imagination Technologies · Graphics DDK | affected 1.18 RTM2 ; affected 23.2 RTM2 ; affected 24.2 RTM2 ; affected 25.1 RTM2 ≤ 25.3 RTM ; affected 26.1 RTM1 ; unaffected 26.1 RTM2 |
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 |