What’s Vulnerable › Vulnerabilities

CVE-2023-33200: Mali GPU Kernel Driver Allows Improper GPU Memory Processing Operations

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-03 · updated 2026-06-17
• Weakness: CWE-416

Description

A local non-privileged user can make improper GPU processing operations to exploit a software race condition. If the system’s memory is carefully prepared by the user, then this in turn could give them access to already freed memory.

Affected products

• Arm Ltd Bifrost GPU Kernel Driver: from r17p0 before r44p1 — fixed in r44p1
• Arm Mali Gpu Kernel Driver: from r41p0 before r44p1 — fixed in r44p1
• Arm Ltd Valhall GPU Kernel Driver: from r19p0 before r44p1 — fixed in r44p1

How to fix

Upgrade to a fixed version: Arm Ltd Bifrost GPU Kernel Driver r44p1; Arm Mali Gpu Kernel Driver r44p1; Arm Ltd Valhall GPU Kernel Driver r44p1. Check the vendor advisory for mitigations.

References

• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities

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