CVE-2021-28663

State: Published
Severity: 8.8 High
Published: May 10, 2021
Updated: Oct 21, 2025
Reserved: Mar 18, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://developer.arm.com/support/arm-security-updates
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver
https://github.com/lntrx/CVE-2021-28663
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28663government-resource

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.