Buffer overflow in Insyde Insydeh2o
CVE-2023-22615
An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI subfunction execution may corrupt SMRAM. An attacker can pass an address in the RCX save state register that overlaps SMRAM, thereby coercing an IHI…
Vulnerability class: Buffer Overflow
EPSS: 0.002 (10.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.
Affected products
- Insyde Insydeh2o — versions 05.37.03, 05.45.01, 05.53.01
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22615?
- CVE-2023-22615 is a high-severity vulnerability in Insyde Insydeh2o, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2023-04-11.
- How severe is CVE-2023-22615?
- High severity. CVSS v3 base score is 8.4 out of 10.