Buffer overflow in Insyde Insydeh2o
CVE-2023-22612
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. A malicious host OS can invoke an Insyde SMI handler with malformed arguments, resulting in memory corruption in SMM.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (13.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Insyde Insydeh2o — versions 05.0a.11, 05.18.03, 05.28.03
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Not Applicable)
- cve@mitre.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22612?
- CVE-2023-22612 is a high-severity vulnerability in Insyde Insydeh2o, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-04-11.
- How severe is CVE-2023-22612?
- High severity. CVSS v3 base score is 8.8 out of 10.