CVE-2023-22616
7.8HIGHAn issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before
Published: 4/12/2023Updated: 2/10/2025
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.2 through 5.5. The Save State register is not checked before use. The IhisiSmm driver does not check the value of a save state register before use. Due to insufficient input validation, an attacker can corrupt SMRAM.
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Affected Products
insydeinsydeh2o
References
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ExploitThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023022Vendor Advisory
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ExploitThird Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2023022Vendor Advisory