CVE-2021-29256

. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver	Vendor Advisory
https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:arm:bifrost::::::::
	cpe:2.3:a:arm:midgard::::::::
	cpe:2.3:a:arm:valhall::::::::

History

21 Nov 2024, 06:00

Type	Values Removed	Values Added
References	~~() https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver - Vendor Advisory~~	() https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver - Vendor Advisory

22 Mar 2022, 15:00

Type	Values Removed	Values Added
CPE	cpe:2.3:a:arm:midguard::::::::	cpe:2.3:a:arm:midgard::::::::

08 Jun 2021, 17:08

Type	Values Removed	Values Added
CWE		CWE-416
CPE		cpe:2.3:a:arm:midguard:::::::: cpe:2.3:a:arm:valhall:::::::: cpe:2.3:a:arm:bifrost::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 9.0 v3 : 8.8
References	~~(CONFIRM) https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver -~~	(CONFIRM) https://developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driver - Vendor Advisory

24 May 2021, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-24 18:15

Updated : 2024-11-21 06:00

NVD link : CVE-2021-29256

Mitre link : CVE-2021-29256

CVE.ORG link : CVE-2021-29256

JSON object : View

Products Affected

arm

bifrost
valhall
midgard

CWE

CWE-416

Use After Free

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