CVE-2026-21736 — GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled

CVE-2026-21736

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

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Imagination Technologies / Graphics DDK	affected 1.17 RTM; affected 1.18 RTM; affected 23.2 RTM; affected 24.1 RTM through 25.1 RTM; unaffected 25.2 RTM through 25.3 RTM; unaffected 26.1 RTM

CWE

CWE-280

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.