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CVE-2021-28663

HIGH
Published 2021-05-10T00:00:00
Actions:

Expert Analysis

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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.045
probability
of exploitation in the wild

There is a 4.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.925
Higher than 92.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

arm

bifrost_gpu_kernel_driver

Affected Versions:

0
arm

valhall_gpu_kernel_driver

Affected Versions:

0
arm

midgard_gpu_kernel_driver

Affected Versions:

0

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

November 17, 2021

Added to KEV

November 3, 2021

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: Arm
Product: Mali Graphics Processing Unit (GPU)

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-2rc2-892p-6hc2

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-28663
WEB https://developer.arm.com/support/arm-security-updates
WEB https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
WEB https://github.com/lntrx/CVE-2021-28663

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: February 24, 2023

References

https://developer.arm.com/support/arm-security-updates
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
https://github.com/lntrx/CVE-2021-28663
Published: 2021-05-10T00:00:00
Last Modified: 2024-08-03T21:47:33.122Z
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