CVE-2021-29256

8.8 HIGH CISA KEV - Actively Exploited
Published: May 24, 2021 Modified: November 03, 2025
View on NVD

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.

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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/mali-gpu-kernel-driver
Source: cve@mitre.org
Vendor Advisory
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-29256
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.6%
70th percentile
Exploitation Status
Actively Exploited
Remediation due: 2023-07-28

Weaknesses (CWE)

CWE-416 CWE-416

Affected Vendors

arm

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