Description
An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5. An SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
References (5)
Core 5
Core References
Vendor Advisory x_refsource_misc
https://www.insyde.com/security-pledge
Vendor Advisory x_refsource_misc
https://www.insyde.com/security-pledge/SA-2022015
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220216-0009/
Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/796611
Scores
CVSS v3
8.2
EPSS
0.0028
EPSS Percentile
19.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (1)
insyde/insydeh2o
5.1 - 5.16.42
Published
Feb 03, 2022
Tracked Since
Feb 18, 2026