Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2022-33986 | First vendor Publication | 2022-11-15 |
| Vendor | Cve | Last vendor Modification | 2022-11-18 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 6.4 | ||
| Base Score | 6.4 | Environmental Score | 6.4 |
| impact SubScore | 5.9 | Temporal Score | 6.4 |
| Exploitabality Sub Score | 0.5 | ||
| Attack Vector | Local | Attack Complexity | High |
| Privileges Required | High | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| DMA attacks on the parameter buffer used by the VariableRuntimeDxe software SMI handler could lead to a TOCTOU attack. DMA attacks on the parameter buffer used by the software SMI handler used by the driver VariableRuntimeDxe could lead to a TOCTOU attack on the SMI handler and lead to corruption of SMRAM. This issue was discovered by Insyde engineering during a security review. This issue is fixed in Kernel 5.4: 05.44.23 and Kernel 5.5: 05.52.23. CWE-367 CWE-367 Report at: https://www.insyde.com/security-pledge/SA-2022056 |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33986 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-367 | Time-of-check Time-of-use (TOCTOU) Race Condition |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 | |
| Os | 7 |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://www.insyde.com/security-pledge https://www.insyde.com/security-pledge/SA-2022056 |
Alert History
| Date | Informations |
|---|---|
| 2023-08-03 02:15:15 |
|
| 2022-11-23 21:27:18 |
|
| 2022-11-18 21:27:15 |
|
| 2022-11-16 02:07:52 |
|
| 2022-11-16 02:06:44 |
|
| 2022-11-15 17:27:12 |
|
| 2022-11-15 05:27:13 |
|
