CVE-2022-31243
CVSS V2 None
CVSS V3 Medium 6.4
Description
Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver 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 FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044
Overview
- CVE ID
- CVE-2022-31243
- 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 | 5.2.05.27.21 |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.3 | 5.3.05.36.21 |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.4 | 5.4.05.44.21 |
| cpe:2.3:a:insyde:kernel:*:*:*:*:*:*:*:* | 1 | OR | 5.5 | 5.5.05.52.21 |
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-2022044 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-31243 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31243 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-11-15 01:00:14 | Added to TrackCVE | |||
| 2022-12-07 17:43:19 | 2022-11-15T00:15Z | 2022-11-15T00:15:11 | CVE Published Date | updated |
| 2022-12-07 17:43:19 | 2022-11-18T16:01:21 | CVE Modified Date | updated | |
| 2022-12-07 17:43:19 | Analyzed | Vulnerability Status | updated | |
| 2022-12-07 17:43:21 | CPE Information | updated | ||
| 2023-02-14 13:13:27 | 2023-02-14T12:15:14 | CVE Modified Date | updated | |
| 2023-02-14 13:13:27 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-14 13:13:28 | References | updated |