CVE-2021-28663

8.8 HIGH CISA KEV - Actively Exploited
Published: May 10, 2021 Modified: November 03, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://developer.arm.com/support/arm-security-updates
Source: cve@mitre.org
Vendor Advisory
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
Source: cve@mitre.org
Vendor Advisory
https://github.com/lntrx/CVE-2021-28663
Source: cve@mitre.org
Exploit
https://developer.arm.com/support/arm-security-updates
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://github.com/lntrx/CVE-2021-28663
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28663
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
2.4%
85th percentile
Exploitation Status
Actively Exploited
Remediation due: 2021-11-17

Weaknesses (CWE)

CWE-416 CWE-416

Affected Vendors

arm

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