CVE-2021-29256

HIGHCISA KEV

8.8

Description

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published5/24/2021

Last Modified11/3/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorArm

ProductMali Graphics Processing Unit (GPU)

Vulnerability NameArm Mali GPU Kernel Driver Use-After-Free Vulnerability

KEV Date Added2023-07-07

Remediation Due Date2023-07-28

Ransomware UseUnknown

Affected Products

arm:bifrost_gpu_kernel_driverarm:midgard_gpu_kernel_driverarm:valhall_gpu_kernel_driver

Weaknesses (CWE)

CWE-416CWE-416

References

https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver(cve@mitre.org)

https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-29256(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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