CVE-2021-46795
Medium
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.
SeverityMedium
CVSS4.7
Exploit probability—
ProductAmd Comboam4v2 Pi Firmware
PublishedJan 11, 2023
First seenJan 11, 2023
Weakness typeCWE-367CWE-367
How to fix
Update
- amd comboam4v2_pi_firmware1.2.0.5 or later
- amd renoirpi-fp6_firmware1.0.0.7 or later
- amd cezannepi-fp6_firmware1.0.0.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd comboam4v2_pi_firmware | v < 1.2.0.5 | 1.2.0.5 |
| amd renoirpi-fp6_firmware | v < 1.0.0.7 | 1.0.0.7 |
| amd cezannepi-fp6_firmware | v < 1.0.0.6 | 1.0.0.6 |
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