CVEvulnerability
CVE-2023-22613
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-04-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-787
Description
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 configurations
• insyde insydeh2o 05.27.37
• insyde insydeh2o 05.36.37
• insyde insydeh2o 05.44.45
• insyde insydeh2o 05.52.45
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ Not Applicable
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2023023 Vendor Advisory
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/ Not Applicable
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2023023 Vendor Advisory