CVE-2021-28664

HIGH8.8

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory corruption) because an unprivileged user can achieve read/write access to read-only pages

Published May 10, 2021

Modified 2 months ago

No fix available

Details

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service (memory corruption) because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 through r30p0 before r31p0.

References

WEBhttps://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities WEBhttps://developer.arm.com/support/arm-security-updates WEBhttps://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver WEBhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28664 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2021-28664

CVSS Analysis

CVSS v3.1

8.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

8.8/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedMay 10, 2021

ModifiedOct 21, 2025