CVE-2022-33905
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
15/11/2022
Last modified:
30/04/2025
Description
DMA transactions which are targeted at input buffers used for the AhciBusDxe software SMI handler could cause SMRAM corruption (a TOCTOU attack). DMA transactions which are targeted at input buffers used for the software SMI handler used by the AhciBusDxe driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group, Fixed in kernel 5.2: 05.27.23, kernel 5.3: 05.36.23, kernel 5.4: 05.44.23, kernel 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022047
Impact
Base Score 3.x
7.00
Severity 3.x
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.2 (including) | 5.2.05.27.23 (excluding) |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.3 (including) | 5.3.05.36.23 (excluding) |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.4 (including) | 5.4.05.44.23 (excluding) |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.5 (including) | 5.5.05.52.23 (excluding) |
To consult the complete list of CPE names with products and versions, see this page