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cve[email protected]CVE-2021-28663
HistoryMay 10, 2021 - 3:15 p.m.

CVE-2021-28663

2021-05-1015:15:07
CWE-416
[email protected]
web.nvd.nist.gov
975
In Wild
7
arm mali
gpu
kernel driver
privilege escalation
information disclosure
memory operations
use-after-free
bifrost
valhall
midgard
cve-2021-28663
nvd

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

79.1%

JSON

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.

Affected configurations

NVD
Node
armbifrost_gpu_kernel_driverRanger0p0–r28p0
OR
armmidgard_gpu_kernel_driverRanger4p0–r30p0
OR
armvalhall_gpu_kernel_driverRanger19p0–r28p0

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9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

0.006 Low

EPSS

Percentile

79.1%

JSON
Related for CVE-2021-28663
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