CVE-2023-39283

EUVD-2023-43015
An SMM memory corruption vulnerability in the SMM driver (SMRAM write) in CsmInt10HookSmm in Insyde InsydeH2O with kernel 5.0 through 5.5 allows attackers to send arbitrary data to SMM which could lead to privilege escalation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
insydeinsydeh2o
5.0 ≤
𝑥
≤ 5.5
insydeinsydeh2o
5.5.05.53.22
insydeinsydeh2o
5.6
insydeinsydeh2o
5.6.05.60.22
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2023055
https://www.insyde.com/security-pledge
https://www.insyde.com/security-pledge/SA-2023055