high8.8
CVE-2023-22613
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5.
Impact
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Insyde | Insydeh2o | Versions 05.27.37, 05.36.37, 05.44.45, 05.52.45 |
Weakness classification
References
- NVD record
- CVE.org record
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2023023
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/
- https://www.insyde.com/security-pledge
- https://www.insyde.com/security-pledge/SA-2023023