What is CVE-2023-22616?

CVE-2023-22616 is a high-severity vulnerability in Insyde Insydeh2o, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.8/10. Published 2023-04-12.

How severe is CVE-2023-22616?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Insyde Insydeh2o

CVE-2023-22616

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.

EPSS: 0.004 (29.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Insyde Insydeh2o
N/a — versions n/a

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-22616?: CVE-2023-22616 is a high-severity vulnerability in Insyde Insydeh2o, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.8/10. Published 2023-04-12.
How severe is CVE-2023-22616?: High severity. CVSS v3 base score is 7.8 out of 10.