CVE-2022-33906
CVSS V2 None
CVSS V3 Medium 6.4
Description
DMA transactions which are targeted at input buffers used for the FwBlockServiceSmm 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 FwBlockServiceSmm 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, 5.3: 05.36.23, 5.4: 05.44.23, 5.5: 05.52.23 https://www.insyde.com/security-pledge/SA-2022048
Overview
- CVE ID
- CVE-2022-33906
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2022-11-15T00:15:11
- Last Modified Date
- 2023-02-14T12:15:14
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.2 | 5.2.05.27.23 |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.3 | 5.3.05.36.23 |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.4 | 5.4.05.44.23 |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.5 | 5.5.05.52.23 |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- HIGH
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.4
- Base Severity
- MEDIUM
- Exploitability Score
- 0.5
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf | |
| https://www.insyde.com/security-pledge | Vendor Advisory |
| https://www.insyde.com/security-pledge/SA-2022048 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-33906 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33906 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-11-15 01:00:14 | Added to TrackCVE | |||
| 2022-12-07 17:43:24 | 2022-11-15T00:15Z | 2022-11-15T00:15:11 | CVE Published Date | updated |
| 2022-12-07 17:43:24 | 2022-11-18T15:50:26 | CVE Modified Date | updated | |
| 2022-12-07 17:43:24 | Analyzed | Vulnerability Status | updated | |
| 2022-12-07 17:43:25 | CPE Information | updated | ||
| 2023-02-14 13:13:28 | 2023-02-14T12:15:14 | CVE Modified Date | updated | |
| 2023-02-14 13:13:28 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-14 13:13:29 | References | updated |