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CVE-2021-28663Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability
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.
8.8 HIGHEPSS 12.08%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 9.0 | HIGH | 2.0NVD | AV:N/AC:L/Au:S/C:C/I:C/A:C |
CISA required action
⚡ Known exploited · remediation due Nov 17, 2021
Apply updates per vendor instructions.
Details
- CVE ID
- CVE-2021-28663
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- May 10, 2021
- Last modified
- 2026-06-17 03:46 UTC
- Weaknesses
Affected Products
From NVD CPE configurations.
armbifrost gpu kernel driver1 version range
- r0p0 before r29p0
armmidgard gpu kernel driver1 version range
- r4p0 before r31p0
armvalhall gpu kernel driver1 version range
- r19p0 before r29p0
References
- developer.arm.com https://developer.arm.com/support/arm-security-updates
- developer.arm.com https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
- github.com https://github.com/lntrx/CVE-2021-28663
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28663