Vulnerability Monitor

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CVE-2021-28664

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.

Published

2021-05-10T15:15:07.590

Last Modified

2025-04-03T19:15:16.123

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-787
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	arm	bifrost_gpu_kernel_driver	< r29p0	Yes
Application	arm	midgard_gpu_kernel_driver	< r31p0	Yes
Application	arm	valhall_gpu_kernel_driver	< r29p0	Yes

References

https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities Vendor Advisory ([email protected])
https://developer.arm.com/support/arm-security-updates Vendor Advisory ([email protected])
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver Vendor Advisory ([email protected])
https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://developer.arm.com/support/arm-security-updates Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)