CVE-2021-46795

hw: amd: TOCTOU (time-of-check to time-of-use) vulnerability cause memory out of bound results in a denial of service

Published Jan 10, 2023 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-33451 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Apr 9, 2025, 3:13 PM
Reserved
May 4, 2022, 6:14 PM
Status
Modified
Published
Jan 11, 2023, 8:15 AM
Modified
Jun 17, 2026, 4:15 AM
Severity
Low
Public date
Jan 10, 2023, 6:30 AM