CVE-2024-52877

EUVD-2024-54545
An issue was discovered in Insyde InsydeH2O kernel 5.2 before version 05.29.50, kernel 5.3 before version 05.38.50, kernel 5.4 before version 05.46.50, kernel 5.5 before version 05.54.50, kernel 5.6 before version 05.61.50, and kernel 5.7 before version 05.70.50. In VariableRuntimeDxe driver, callback function SmmCreateVariableLockList () calls CreateVariableLockListInSmm (). In CreateVariableLockListInSmm (), it uses StrSize () to get variable name size and it could lead to a buffer over-read.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
Affected Products (NVD)
VendorProductVersion
insydeinsydeh2o
5.2 ≤
𝑥
< 5.2.05.29.50
insydeinsydeh2o
5.3 ≤
𝑥
< 5.3.05.38.50
insydeinsydeh2o
5.4 ≤
𝑥
< 5.4.05.46.50
insydeinsydeh2o
5.5 ≤
𝑥
< 5.5.05.54.50
insydeinsydeh2o
5.6 ≤
𝑥
< 5.6.05.61.50
insydeinsydeh2o
5.7 ≤
𝑥
< 5.7.05.70.50
𝑥
= Vulnerable software versions