CVE-2026-21733 PUBLISHED

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

Assigner: imaginationtech
Reserved: 05.01.2026 Published: 17.04.2026 Updated: 17.04.2026

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.

Product Status

Vendor Imagination Technologies
Product Graphics DDK
Versions Default: unknown
  • Version 1.17 RTM is affected
  • Version 1.18 RTM is affected
  • Version 23.2 RTM is affected
  • affected from 24.1 RTM to 24.2 RTM (incl.)
  • affected from 25.1 RTM to 25.3 RTM (incl.)
  • Version 26.1 RTM is unaffected

References

Problem Types

  • CWE-280: Improper Handling of Insufficient Permissions or Privileges CWE

Impacts

  • CAPEC-679: Exploitation of Improperly Configured or Implemented Memory Protections