CVE-2021-43323

An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
insydeinsydeh2o
5.1 ≤
𝑥
< 5.16.45
insydeinsydeh2o
5.2 ≤
𝑥
< 5.26.45
insydeinsydeh2o
5.3 ≤
𝑥
< 5.33.45
insydeinsydeh2o
5.0 ≤
𝑥
< 5.08.45
insydeinsydeh2o
5.4 ≤
𝑥
< 5.43.45
insydeinsydeh2o
5.5 ≤
𝑥
< 5.51.45
𝑥
= Vulnerable software versions
References
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220217-0013/
https://www.insyde.com/security-pledge
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220217-0013/
https://www.insyde.com/security-pledge