CVE-2023-4211

Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations

  • Medium 5.5
  • Exploited: added to CISA KEV 3 Oct 2023

Description

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

Key facts

Published
1 Oct 2023
Last changed
21 Oct 2025
Assigned by
Arm
KEV added
3 Oct 2023
KEV fix due
24 Oct 2023
EPSS
0.969% likely to be exploited in the next 30 days, higher than 62.411% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 5.5CVSS 3.1, Mediumfrom CISA (ADP container)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What to do

  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC-233 Privilege Escalation (CNA impact statement)

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Arm LtdMidgard GPU Kernel Driver
  • Default status: unaffected
  • r12p0 up to and including r32p0 (affected)
Arm LtdBifrost GPU Kernel Driver
  • Default status: unaffected
  • r0p0 up to and including r42p0 (affected)
Arm LtdValhall GPU Kernel Driver
  • Default status: unaffected
  • r19p0 up to and including r42p0 (affected)
Arm LtdArm 5th Gen GPU Architecture Kernel Driver
  • Default status: unaffected
  • r41p0 up to and including r42p0 (affected)

Timeline

  1. 1 Oct 2023 Published
  2. 3 Oct 2023 CVE-2023-4211 added to CISA KEV
  3. 3 Oct 2023 Added to the CISA KEV catalogue

Weakness

References