First published: Thu Feb 03 2022(Updated: )
An issue was discovered in StorageSecurityCommandDxe in Insyde InsydeH2O with Kernel 5.1 before 05.14.28, Kernel 5.2 before 05.24.28, and Kernel 5.3 before 05.32.25. 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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Insyde InsydeH2O | >=5.1<5.14.34 | |
Insyde InsydeH2O | >=5.2<5.24.34 | |
Insyde InsydeH2O | >=5.3<5.24.34 |
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CVE-2021-42113 is an SMM callout vulnerability in StorageSecurityCommandDxe in Insyde InsydeH2O with Kernel 5.1 before 05.14.28, Kernel 5.2 before 05.24.28, and Kernel 5.3 before 05.32.25.
CVE-2021-42113 has a severity rating of 8.2 (high).
CVE-2021-42113 allows an attacker to hijack the execution flow of code running in System Management Mode (SMM) in Insyde InsydeH2O.
Insyde InsydeH2O versions 5.1 to 5.14.34, 5.2 to 5.24.34, and 5.3 to 5.32.25 are affected by CVE-2021-42113.
To mitigate CVE-2021-42113, update Insyde InsydeH2O to a version higher than 5.14.34, 5.24.34, or 5.32.25, depending on the affected kernel version.