VDB-174768 · CVE-2021-28663 · EUVD-2021-15327

ARM Mali GPU Kernel Driver use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ARM Mali GPU Kernel Driver. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation results in use after free. This vulnerability was named CVE-2021-28663. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ARM Mali GPU Kernel Driver (Hardware Driver Software) (version now known). It has been classified as critical. Affected is some unknown processing. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 05/10/2021. This vulnerability is traded as CVE-2021-28663. Technical details are unknown but an exploit is available.

It is declared as attacked. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/17/2021:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at developer.arm.com.

The vulnerability is also documented in the databases at Zero-Day.cz (629) and EUVD (EUVD-2021-15327). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Hardware Driver Software

Vendor

Name

Mali GPU Kernel Driver

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: developer.arm.com

Timelineinfo

03/18/2021 🔍
05/10/2021 +52 days 🔍
05/10/2021 +0 days 🔍
07/29/2025 +1541 days 🔍

Sourcesinfo

Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-28663 (🔍)
GCVE (CVE): GCVE-0-2021-28663
GCVE (VulDB): GCVE-100-174768
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/10/2021 21:00
Updated: 07/29/2025 04:38
Changes: 05/10/2021 21:00 (36), 05/13/2021 07:33 (6), 04/21/2024 13:37 (26), 06/28/2024 07:00 (2), 07/25/2024 23:05 (19), 08/01/2024 17:28 (11), 09/13/2024 11:48 (1), 07/29/2025 04:38 (1)
Complete: 🔍
Cache ID: 216:AF1:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.