# Arm Mali GPU Kernel Driver: Use-After-Free (CVE-2023-4211) · pwn.watch

> Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory. Added to CISA KEV on 2023-10-03.

Page: https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211 · generated 2026-10-22T22:41:49.181Z

## Status
- Severity: medium · status: closed · patch: patched
- Product: Arm Mali GPU Kernel Driver
- Started: 2023-10-03 · closed: 2023-10-03
- CVEs: CVE-2023-4211
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211/feed.xml
- JSON Feed: https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211.json
- This file: https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211/llms.txt

## Updates (newest first)
- 2023-10-03: CISA added CVE-2023-4211 to the KEV catalog (due 2023-10-24).

## Fix brief
# Security brief: Arm Mali GPU Kernel Driver: Use-After-Free (CVE-2023-4211)

Source: https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211 · status: closed (closed Oct 3, 2023) · severity: medium · updated Oct 3, 2023

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that allows a local, non-privileged user to make improper GPU memory processing operations to gain access to already freed memory. Added to CISA KEV on 2023-10-03.

Severity detail: CVSS 5.5 (NVD), actively exploited (CISA KEV)

- Product: Arm Mali GPU Kernel Driver
- CVE / advisory ids: CVE-2023-4211

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Oct 3, 2023: CISA added CVE-2023-4211 to the KEV catalog (due 2023-10-24).

## Advisories
- [Vendor advisory: Arm Mali GPU Kernel Driver](https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities) (Arm)
- [NVD: CVE-2023-4211](https://nvd.nist.gov/vuln/detail/CVE-2023-4211) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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Machine-readable: https://pwn.watch/i/arm-mali-gpu-kernel-driver-cve-2023-4211.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.