PT-2023-12589 · Tee Os · Tee Os

Published 2023-01-10 · Updated 2023-01-20 · CVE-2021-46795

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TEE OS (affected versions not specified)

Description A TOCTOU (time-of-check to time-of-use) issue exists, allowing an attacker with a compromised BIOS to potentially cause the TEE OS to read memory out of bounds, resulting in a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2021-46795

Affected Products

Tee Os

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2021-46795 · Security Note
• https://amd.com/en/corporate/product-security/bulletin/AMD-SB-1031 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46795 · Vendor Advisory