CVE-2026-21733CWE-20CWE-280

CVE-2026-21733

High · published April 17, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
0.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00099 · 0.8th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-280 · Improper Handling of Insufficient Permissions or Privileges
Published
2026-04-17T21:16Z
Affected products (2)
ProductVersionsFixed in
imaginationtech/ddk< 25.325.3
imaginationtech/ddkall versions—
References (1)
https://www.imaginationtech.com/gpu-driver-vulnerabilities/ · 367425dc-4d06-4041-9650-c2dc6aaa27ce
EPSS history
Timeline
  • 17 APR 16:08Z
    GPU DDK - Incorrect flags validation in RGXDerivePTEProt8 can allow GPU to overwrite read-only shared memory (e.g. libc.so)
    cvelistv5