CVE-2026-21733: RESERVED
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-21733?
CVE-2026-21733 is considered a high severity vulnerability due to its potential for unauthorized memory access.
How do I fix CVE-2026-21733?
To fix CVE-2026-21733, you should update the Imagination Technologies PowerVR GPU DDK to the latest version that addresses this vulnerability.
What type of systems are affected by CVE-2026-21733?
CVE-2026-21733 affects systems utilizing the Imagination Technologies PowerVR GPU DDK (RGX) and its related software.
What can attackers achieve with CVE-2026-21733?
Attackers can exploit CVE-2026-21733 to gain write access to read-only shared memory, potentially leading to arbitrary code execution.
Is CVE-2026-21733 exploitable by non-privileged users?
Yes, CVE-2026-21733 can be exploited by non-privileged users, enabling them to perform improper GPU system calls.