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Critical severity9.8NVD Advisory· Published Jan 6, 2022· Updated Jun 17, 2026

CVE-2021-41842

CVE-2021-41842

Description

An issue was discovered in AtaLegacySmm in the kernel 5.0 before 05.08.46, 5.1 before 05.16.46, 5.2 before 05.26.46, 5.3 before 05.35.46, 5.4 before 05.43.46, and 5.5 before 05.51.45 in Insyde InsydeH2O. Code execution can occur because the SMI handler lacks a CommBuffer check.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Insyde/InsydeH2O2 versions
    cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*range: >=5.0,<05.08.46
    • (no CPE)range: <05.08.46, <05.16.46, <05.26.46, <05.35.46, <05.43.46, <05.51.45
  • Insyde/InsydeH2Odescription

Patches

Vulnerability mechanics

References

2

News mentions

0

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