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CVE-2021-43323
Published: Feb 3, 2022
Modified: Nov 4, 2025
PUBLISHED
Description
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://www.insyde.com/security-pledge
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220217-0013/
x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
x_refsource_CONFIRM
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