CVE-2021-46795

A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service.

CVSS v3.0 4.7 MEDIUM

4.7^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:amd:comboam4v2_pi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:comboam4v2_pi:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:amd:renoirpi-fp6_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:comboam4v2_pi:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:amd:cezannepi-fp6_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:amd:cezannepi-fp6:-:*:*:*:*:*:*:*

Information

Published : 2023-01-11 00:15

Updated : 2023-01-20 10:36

NVD link : CVE-2021-46795

Mitre link : CVE-2021-46795

JSON object : View

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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Products Affected

amd

comboam4v2_pi
comboam4v2_pi_firmware
cezannepi-fp6
renoirpi-fp6_firmware
cezannepi-fp6_firmware

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