PT-2021-18150 · Arm · Arm Mali Gpu Kernel Driver

Published 2021-05-24 · Updated 2025-07-30 · CVE-2021-29256

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Arm Mali GPU Kernel Driver versions Bifrost r16p0 through r29p0 Arm Mali GPU Kernel Driver versions Valhall r19p0 through r29p0 Arm Mali GPU Kernel Driver versions Midgard r28p0 through r30p0

Description: The issue allows an unprivileged user to access freed memory, potentially leading to information disclosure or root privilege escalation.

Recommendations: For versions Bifrost r16p0 through r29p0, update to version r30p0 or later to resolve the issue. For versions Valhall r19p0 through r29p0, update to version r30p0 or later to resolve the issue. For versions Midgard r28p0 through r30p0, update to a version later than r30p0 to resolve the issue.

Fix

LPE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ASB-A-283489460

CVE-2021-29256

Affected Products

Arm Mali Gpu Kernel Driver

References · 9

• https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver · Vendor Advisory
• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-29256 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29256 · Vendor Advisory
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-29256 · Note
• https://t.me/cvenotify/117987 · Telegram Post
• https://twitter.com/_BabatundeQodri/status/1950646575400722664 · Twitter Post
• https://t.me/true_secator/4590 · Telegram Post
• https://t.me/cvenotify/116375 · Telegram Post