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CVE-2021-26367

Aug. 13, 2024, 5:15 p.m.

Received
CVE has been recently published to the CVE List and has been received by the NVD.

Products

AMD Processors

Source

psirt@amd.com

Tags

psirt@amd.com
2024-08-13
CVE-2021-26367

CVE-2021-26367 details

Published : Aug. 13, 2024, 5:15 p.m.
Last Modified : Aug. 13, 2024, 5:15 p.m.

Description

A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.

CVSS Score

1 2 3 4 5.7 6 7 8 9 10

Weakness

Weakness Name Description

CVSS Data

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

5.7

Exploitability Score

0.5

Impact Score

5.2

Base Severity

MEDIUM

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

References

URL Source
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html psirt@amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html psirt@amd.com
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