# CVE-2026-41158: Imagination Technologies GPU DDK use after free in physical memory management

Source: https://junglewise.ai/threats/cve-2026-41158-imagination-technologies-gpu-ddk-use-after-free-in-physical  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-12. Updated: 2026-06-12  
License: CC BY 4.0 with a link back

CVE-2026-41158 · Severity: info · CVSS 0 · Published 2026-06-12

A vulnerability in Imagination Technologies GPU drivers allows a standard, non-privileged user to perform unauthorized actions on the system's physical memory. By making specific GPU system calls, an attacker could write data to memory locations that have already been freed, potentially leading to system instability or unauthorized data modification. This could allow a malicious application to interfere with other processes or the operating system itself.

Technologies: [Imagination Technologies GPU DDK](https://junglewise.ai/threats/technologies/gpu-ddk). Vendors: [Imagination Technologies](https://junglewise.ai/threats/vendors/imagination-technologies).

## Quick answers

**Is CVE-2026-41158 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-41158 being exploited in the wild.

**How severe is CVE-2026-41158?** Informational severity, with a CVSS score of 0, published 12 June 2026.

**Which products and versions are affected?** Imagination Technologies GPU DDK DDK Releases up to and including 25.3 RTM.

**Is there a fix for CVE-2026-41158?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-41158 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2026-41158?** Check whether you run Imagination Technologies GPU DDK at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A use-after-free (UAF) vulnerability exists in the Imagination Technologies GPU DDK kernel module. The issue stems from physical memory being allocated and freed without utilizing the deferred free mechanism, allowing the GPU to perform read/write operations on resources after the kernel module has officially freed them. A local, non-privileged attacker can exploit this by conducting specific GPU system calls to target arbitrary freed physical pages. This can lead to memory corruption or potentially broader system compromise. The vendor has addressed this in the DDK kernel module by ensuring resources are managed correctly via the deferred free mechanism.

## Affected products

- Imagination Technologies GPU DDK DDK Releases up to and including 25.3 RTM

## Timeline

- 2026-06-12: disclosed: NVD publication date
- 2026-06-12: advisory: Imagination Technologies advisory updated

## References

- [https://www.imaginationtech.com/gpu-driver-vulnerabilities/](https://www.imaginationtech.com/gpu-driver-vulnerabilities/)

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