Is CVE-2023-4211 actively exploited?

Yes. KEV Intelligence tracks CVE-2023-4211 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2023-4211. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2023-4211 affects Arm Ltd Midgard GPU Kernel Driver and 3 other products. KEV Intelligence lists 4 version rows; examples include r12p0 to <= r32p0, r0p0 to <= r42p0, and r19p0 to <= r42p0.

Yes. CVE-2023-4211 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2023-4211

Q: What is CVE-2023-4211?

CVE-2023-4211 is a vulnerability affecting Arm Ltd Midgard GPU Kernel Driver and 3 other products. A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

Yes. CVE-2023-4211 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Midgard GPU Kernel Driver

Arm Ltd / Midgard GPU Kernel Driver · r12p0 to <= r32p0

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Severity: CVSS 5.5 · Medium
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 1.1%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-4211 is a vulnerability affecting Arm Ltd Midgard GPU Kernel Driver and 3 other products. A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Arm Ltd / Midgard GPU Kernel Driver r12p0 to <= r32p0.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory

A local non-privileged user can make improper GPU memory processing operations to gain access to already freed memory.

Vendor Product Affected Status

Arm Ltd Midgard GPU Kernel Driver Through r32p0 Affected

Arm Ltd Bifrost GPU Kernel Driver Through r42p0 Affected

Arm Ltd Valhall GPU Kernel Driver Through r42p0 Affected

Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver Through r42p0 Affected

Published: 01 Oct 2023
Exploitation Reported: 03 Oct 2023
Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-4211
developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%... developer.arm.com · CVE Record https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 03 Oct 2023

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2023-10-03 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nessus template detected 02 Jun 2025.

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Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nessus	https://www.tenable.com/plugins/nessus/182435	02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

5.5 Medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

1.1%

Weaknesses

Use After Free CWE-416

Timeline

From disclosure to observed exploitation

02 Jun 2025
Nessus plugin available

Scanner coverage available
03 Oct 2023
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
01 Oct 2023
CVE published

Vulnerability disclosed publicly
07 Aug 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-4211

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2023-4211",
  "confidence": "Confirmed",
  "cvss_score": 5.5,
  "cvss_estimated": false,
  "epss_score": 0.01098,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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