CVE-2026-21736 PUBLISHED

GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled

Assigner: imaginationtech
Reserved: 05.01.2026 Published: 09.03.2026 Updated: 09.03.2026

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.

This is caused by improper handling of the memory protections for the user-mode wrapped memory resource.

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 25.1 RTM (incl.)
  • unaffected from 25.2 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