CVE-2026-22167: Memory Corruption in Imagination Technologies Graphics DDK
Platform
linux
Component
imagination-technologies-graphics-ddk
CVE-2026-22167 describes a critical memory corruption vulnerability affecting Imagination Technologies Graphics DDK versions 1.18 through 26.1 RTM. This flaw allows a non-privileged user to manipulate GPU system calls, enabling them to write to arbitrary physical memory pages. Successful exploitation could lead to data corruption, system instability, and potential privilege escalation, impacting systems relying on this graphics driver.
Impact and Attack Scenarios
The core of this vulnerability lies in the ability of a non-privileged user to force the GPU to write to memory pages it shouldn't. This isn't a direct code execution vulnerability, but the consequences are severe. By corrupting kernel and driver memory, an attacker can alter system behavior, potentially leading to denial of service, information disclosure, or even a path to privilege escalation. The second-order effect of corrupted arbitrary physical memory is particularly concerning, as it could impact other processes and services running on the system. While a direct analogy to Log4Shell isn't present, the potential for widespread impact due to the driver's role in graphics processing is significant.
Exploitation Context
CVE-2026-22167 was published on May 1, 2026. The vulnerability's severity is currently pending evaluation. No public proof-of-concept (POC) code has been released at the time of writing. There are no indications of active exploitation campaigns targeting this vulnerability. Monitor CISA and Imagination Technologies advisories for updates and potential exploitation patterns.
Threat Intelligence
Exploit Status
EPSS
0.01% (0% percentile)
Affected Software
Weakness Classification (CWE)
Timeline
- Published
- EPSS updated
Mitigation and Workarounds
The primary mitigation is to upgrade to a patched version of the Imagination Technologies Graphics DDK. Unfortunately, a fixed version is not yet available. Until a patch is released, consider implementing strict access controls to limit the ability of non-privileged users to interact with the GPU. While not a direct fix, implementing WAF rules to filter potentially malicious GPU system calls could offer a layer of defense. Monitoring GPU activity for unusual write patterns is also recommended. After upgrading to a patched version, confirm the fix by attempting to trigger the vulnerable system call and verifying that it is now properly handled.
How to fix
Actualice el Graphics DDK a la versión 24.2.1 o posterior, 25.3.1 o posterior, o a la versión más reciente disponible proporcionada por Imagination Technologies. Consulte la página de vulnerabilidades de Imagination Technologies para obtener más detalles e instrucciones de actualización: https://www.imaginationtech.com/gpu-driver-vulnerabilities/
Frequently asked questions
What is CVE-2026-22167 — Memory Corruption in Imagination Technologies Graphics DDK?
CVE-2026-22167 is a memory corruption vulnerability in Imagination Technologies Graphics DDK versions 1.18–26.1 RTM. It allows a non-privileged user to trigger improper GPU system calls, potentially corrupting kernel and driver memory.
Am I affected by CVE-2026-22167 in Imagination Technologies Graphics DDK?
You are affected if you are using Imagination Technologies Graphics DDK versions 1.18 through 26.1 RTM. Check your installed version and upgrade as soon as a patch is available.
How do I fix CVE-2026-22167 in Imagination Technologies Graphics DDK?
The recommended fix is to upgrade to a patched version of the Graphics DDK. Until a patch is released, implement access controls and monitor GPU activity.
Is CVE-2026-22167 being actively exploited?
There are currently no indications of active exploitation campaigns targeting CVE-2026-22167, but the vulnerability's potential impact warrants vigilance.
Where can I find the official Imagination Technologies advisory for CVE-2026-22167?
Refer to the Imagination Technologies website and security advisories for the latest information and official patch releases related to CVE-2026-22167.
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