An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
Metrics
Affected Vendors & Products
References
History
Tue, 04 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Status: PUBLISHED
Assigner: mitre
Published: 2022-02-03T01:50:01.000Z
Updated: 2025-11-04T19:12:44.192Z
Reserved: 2021-11-03T00:00:00.000Z
Link: CVE-2021-43323
No data.
Status : Modified
Published: 2022-02-03T02:15:07.427
Modified: 2025-11-04T20:16:02.267
Link: CVE-2021-43323
No data.
ReportizFlow