What’s Vulnerable › Vulnerabilities

CVE-2023-22615

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-11 · updated 2026-06-17
• Weakness: CWE-787

Description

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 IHISI subfunction handler to overwrite private SMRAM.

Affected products

• Insydeh2O: 05.37.03, 05.45.01, 05.53.01

References

• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2023021
• https://www.insyde.com/security-pledge
• https://www.insyde.com/security-pledge/SA-2023021

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