CVE-2021-28663

HIGH KEV

ARM Bifrost Gpu Kernel Driver < r29p0 - Use After Free

Title source: rule

Description

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.

Exploits (2)

nomisec WORKING POC 122 stars

by lntrx · local

https://github.com/lntrx/CVE-2021-28663

View Code ZIP pw:eip

github 34 stars

by DarkFunct · cpoc

https://github.com/DarkFunct/CVE_Exploits/tree/main/CVE-2021-28663

References (4)

[Vendor Advisory] https://developer.arm.com/support/arm-security-updates

[Vendor Advisory] https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

[Exploit] https://github.com/lntrx/CVE-2021-28663

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28663

Scores

CVSS v3 8.8

EPSS 0.0270

EPSS Percentile 85.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2021-11-03

VulnCheck KEV 2021-05-03

InTheWild.io 2021-05-03

ENISA EUVD EUVD-2021-15327

CWE

CWE-416

Status published

Products (3)

arm/bifrost_gpu_kernel_driver r0p0 - r29p0

arm/midgard_gpu_kernel_driver r4p0 - r31p0

arm/valhall_gpu_kernel_driver r19p0 - r29p0

Published May 10, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026