CVE intelligence and bounded remediation
CVE-2023-22612 — An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5
High
CVSS 8.8
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.
- Severity
- High
- CVSS
- 8.8 (3.1)
- Published
- 2023-04-11
- CISA KEV
- Not currently listed
- Ecosystem
- software/application
- Weaknesses
- CWE-787
Affected products
- insyde / insydeh2o / 05.0a.11
- insyde / insydeh2o / 05.18.03
- insyde / insydeh2o / 05.28.03
- insyde / insydeh2o / 05.37.03
- insyde / insydeh2o / 05.45.01
- insyde / insydeh2o / 05.53.01
Matched remediation archetype
Buffer bounds, memory safety, and memory corruption
This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.
Check exposure
- Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
- Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
- Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.
Remediate safely
- Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
- Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
- Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.
Authoritative sources
Complete CVE record and remediation plan
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