CVE-2021-41839

An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. 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: 27%
VendorProductVersion
insydeinsydeh2o
5.1 ≤
𝑥
< 5.16.25
insydeinsydeh2o
5.2 ≤
𝑥
< 5.26.25
insydeinsydeh2o
5.3 ≤
𝑥
< 5.35.25
insydeinsydeh2o
5.4 ≤
𝑥
< 5.43.25
insydeinsydeh2o
5.5 ≤
𝑥
< 5.51.25
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220217-0016/
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022020
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220217-0016/
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2022020