# CVE-2023-4211: Arm Mali GPU Kernel Driver Use-After-Free Vulnerability

Source: https://junglewise.ai/threats/cve-2023-4211-arm-mali-gpu-kernel-driver-use-after-free-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-10-03. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2023-4211 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2023-10-03

A use-after-free vulnerability in the Arm Mali GPU Kernel Driver allows a local, non-privileged user to perform improper memory processing operations. This flaw enables unauthorized access to previously freed memory, potentially leading to information disclosure or further exploitation.

Vendors: [Arm](https://junglewise.ai/threats/vendors/arm).

## Quick answers

**Is CVE-2023-4211 exploited in the wild?** Yes. CVE-2023-4211 is known to be exploited in the wild, first recorded on 3 October 2023. Treat it as urgent.

**How severe is CVE-2023-4211?** Critical severity, with a CVSS score of 5.5, published 3 October 2023.

**Which products and versions are affected?** Arm 5th Gen GPU Architecture Kernel Driver r41p0 to r42p0; Arm Bifrost GPU Kernel Driver r0p0 to r42p0; Arm Midgard GPU Kernel Driver r12p0 to r32p0; Arm Valhall GPU Kernel Driver r19p0 to r42p0.

**Is there a fix for CVE-2023-4211?** 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-2023-4211 attacked?** It is attacked with local access, in a software library.

**Am I affected by CVE-2023-4211?** Check whether you run Arm Mali GPU Kernel Driver. 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 5th Gen GPU Architecture Kernel Driver r41p0 to r42p0
- Arm Bifrost GPU Kernel Driver r0p0 to r42p0
- Arm Midgard GPU Kernel Driver r12p0 to r32p0
- Arm Valhall GPU Kernel Driver r19p0 to r42p0

## Timeline

- 2023-10-03: disclosed
- 2023-10-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-10-03: exploited: Reported as exploited in the wild at time of publication

## Related threats

- [Arm Mali GPU Kernel Driver Use-After-Free Vulnerability](https://junglewise.ai/threats/cve-2024-4610-arm-mali-gpu-kernel-driver-use-after-free-vulnerability)