CVEvulnerability

CVE-2021-46795

4.7 MEDIUM Published 2023-01-11 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-01-11
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-367

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.

Affected configurations

• amd comboam4v2 pi firmware (< 1.2.0.5) • amd renoirpi-fp6 firmware (< 1.0.0.7) • amd cezannepi-fp6 firmware (< 1.0.0.6)

Related

Weakness · CWE (1)

  • CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition weakness

References