CVE-2021-29256

Known Exploited (CISA KEV)HIGH

8.8

CVSS Severity Score

EPSS Score56.7510%

EPSS Percentile93.60th

Published2021年5月24日

Last Modified2025年11月3日

Vulnerability 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.

Affected Platforms (CPE)

📦

Arm

Bifrost Gpu Kernel Driver

>= r16p0 and < r30p0

📦

Arm

Midgard Gpu Kernel Driver

>= r28p0 and < r31p0

📦

Arm

Valhall Gpu Kernel Driver

>= r19p0 and < r30p0

References & Advisories

🔗 https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-29256