Unrated severityCISA KEVNVD Advisory· Published May 10, 2021· Updated Oct 21, 2025

CVE-2021-28664

Description

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory corruption) because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 through r30p0 before r31p0.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Arm/Arm Mali GPU kernel driverdescription
Arm/Bifrostllm-create
Range: <r30p0
Arm/Valhallllm-create
Range: <r30p0
Arm/Midgardllm-create
Range: <r31p0

Patches

Vulnerability mechanics

References

developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilitiesmitre
developer.arm.com/support/arm-security-updatesmitre
developer.arm.com/support/arm-security-updates/mali-gpu-kernel-drivermitre

News mentions

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