CVE-2022-33908
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 SdHostDriver software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the SdHostDriver 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: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022050
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) | 5.2.05.27.25 (excluding) |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.3 (including) | 5.3.05.36.25 (excluding) |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.4 (including) | 5.4.05.44.25 (excluding) |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 5.5 (including) | 5.5.05.52.25 (excluding) |
To consult the complete list of CPE names with products and versions, see this page