CVE-2021-41842

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
insydeinsydeh2o
5.0 ≤
𝑥
< 05.08.46
insydeinsydeh2o
5.1 ≤
𝑥
< 05.16.46
insydeinsydeh2o
5.2 ≤
𝑥
< 05.26.46
insydeinsydeh2o
5.3 ≤
𝑥
< 05.35.46
insydeinsydeh2o
5.4 <
𝑥
< 05.43.46
insydeinsydeh2o
5.5 ≤
𝑥
< 05.51.45
𝑥
= Vulnerable software versions
References
https://security.netapp.com/advisory/ntap-20220223-0002/
https://www.insyde.com/security-pledge
https://security.netapp.com/advisory/ntap-20220223-0002/
https://www.insyde.com/security-pledge