Vulnerability details
CVE-2026-21733
Imagination Technologies Graphics DDK
GPU DDK - Incorrect flags validation in RGXDerivePTEProt8 can allow GPU to overwrite read-only shared memory (e.g. libc.so)
CVSS 3.1
7.3High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.3High | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM | CVEProject cvelistV5 (CNA) |
| Imagination Technologies | Graphics DDK | 23.2 RTM | CVEProject cvelistV5 (CNA) |
| Imagination Technologies | Graphics DDK | 24.1 RTM ≤ v ≤ 24.2 RTM | CVEProject cvelistV5 (CNA) |
| Imagination Technologies | Graphics DDK | 25.1 RTM ≤ v ≤ 25.3 RTM | CVEProject cvelistV5 (CNA) |
References and advisories
1
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-04-17
- Last updated
- 2026-06-26
- State
- Published
- Assigner (CNA)
- imaginationtech
Exploit prediction (EPSS)
0.09%
Probability of exploitation in 30 days
0.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-280Improper Handling of Insufficient Permissions or Privileges
- CWE-20Improper Input Validation