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CVE-2021-28664

🔥 Known Exploited (CISA KEV)HIGH

8.8

CVSS Severity Score

EPSS Score59.9630%

EPSS Percentile93.61th

Published2021-05-10

Last Modified2025-11-03

Data SourcesNVDCISA KEVFIRST.org EPSS

Vulnerability 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.

Affected Platforms (CPE)

📦

Arm

Bifrost Gpu Kernel Driver

>= r0p0 and < r29p0

📦

Arm

Midgard Gpu Kernel Driver

>= r8p0 and < r31p0

📦

Arm

Valhall Gpu Kernel Driver

>= r19p0 and < r29p0

References & Advisories

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

🔗 https://developer.arm.com/support/arm-security-updates

🔗 https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

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

🔗 https://developer.arm.com/support/arm-security-updates

🔗 https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28664

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CVE-2021-28664 Detail & Impact Analysis | CVSS 8.8 (HIGH) | Cyber-Sec.Space | Cyber-Sec.Space