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CVE-2025-0819: Mali GPU Kernel Driver allows access to already freed memory

• Severity: high (CVSS 7.8 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: 2025-06-02 · updated 2026-06-17
• Weakness: CWE-416

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 r44p0 through r49p3, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r44p0 through r49p3, from r50p0 through r54p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r49p3, from r50p0 through r54p0.

Affected products

• Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 before r49p4; from r50p0 before r54p1 — fixed in r49p4, r54p1
• Arm Ltd Bifrost GPU Kernel Driver: from r44p0 before r49p4; r50p0, r51p0 — fixed in r49p4
• Arm Ltd Valhall GPU Kernel Driver: from r44p0 before r49p4; from r50p0 before r54p1 — fixed in r49p4, r54p1

How to fix

Upgrade to a fixed version: Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver r49p4, r54p1; Arm Ltd Bifrost GPU Kernel Driver r49p4; Arm Ltd Valhall GPU Kernel Driver r49p4, r54p1. Check the vendor advisory for mitigations.

References

• https://developer.arm.com/documentation/110466/latest/

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