# CVE-2023-26083: Arm Mali GPU Kernel Driver Information Disclosure Vulnerability

Source: https://junglewise.ai/threats/cve-2023-26083-arm-mali-gpu-kernel-driver-information-disclosure-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-04-07. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2023-26083 · Severity: critical · CVSS 3.3 · Exploited in the wild · Published 2023-04-07

A memory leak vulnerability in various Arm Mali GPU Kernel Drivers allows a non-privileged local user to perform GPU processing operations that expose sensitive kernel metadata. This information disclosure can be used to bypass security mitigations.

Technologies: [Arm Mali Graphics Processing Unit (GPU)](https://junglewise.ai/threats/technologies/mali-graphics-processing-unit-gpu). Vendors: [Arm](https://junglewise.ai/threats/vendors/arm).

## Quick answers

**Is CVE-2023-26083 exploited in the wild?** Yes. CVE-2023-26083 is known to be exploited in the wild, first recorded on 7 April 2023. Treat it as urgent.

**How severe is CVE-2023-26083?** Critical severity, with a CVSS score of 3.3, published 7 April 2023.

**Which products and versions are affected?** Arm Midgard GPU Kernel Driver r6p0 - r32p0; Arm Bifrost GPU Kernel Driver r0p0 - r42p0; Arm Valhall GPU Kernel Driver r19p0 - r42p0; Arm Avalon GPU Kernel Driver r41p0 - r42p0.

**Is there a fix for CVE-2023-26083?** 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-2023-26083 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2023-26083?** Check whether you run Arm Mali Graphics Processing Unit (GPU). 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.

## Affected products

- Arm Midgard GPU Kernel Driver r6p0 - r32p0
- Arm Bifrost GPU Kernel Driver r0p0 - r42p0
- Arm Valhall GPU Kernel Driver r19p0 - r42p0
- Arm Avalon GPU Kernel Driver r41p0 - r42p0

## Timeline

- 2023-04-06: disclosed
- 2023-04-07: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-04-07: exploited: Reported as exploited in the wild

## Related threats

- [Arm Mali GPU Kernel Driver Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2021-29256-arm-mali-gpu-kernel-driver-use-after-free-vulnerability)
- [Arm Mali GPU Kernel Driver Unspecified Vulnerability](https://junglewise.ai/threats/cve-2022-22706-arm-mali-gpu-kernel-driver-unspecified-vulnerability)
- [Arm Mali GPU Kernel Driver Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2022-38181-arm-mali-gpu-kernel-driver-use-after-free-vulnerability)
- [Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2021-28663-arm-mali-graphics-processing-unit-gpu-use-after-free)
- [Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability](https://junglewise.ai/threats/cve-2021-28664-arm-mali-graphics-processing-unit-gpu-unspecified-vulnerability)