CVE-2022-35896

medium

Description

An issue SMM memory leak vulnerability in SMM driver (SMRAM was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An attacker can dump SMRAM contents via the software SMI provided by the FvbServicesRuntimeDxe driver to read the contents of SMRAM, leading to information disclosure.

References

https://www.insyde.com/security-pledge/SA-2022034

https://www.insyde.com/security-pledge

https://binarly.io/advisories/BRLY-2022-025/index.html

Details

Source: Mitre, NVD

Published: 2022-09-22

Updated: 2023-08-08

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Severity: Medium