CVE-2024-55567

high

Description

Improper input validation was discovered in UsbCoreDxe in Insyde InsydeH2O kernel 5.4 before 05.47.01, 5.5 before 05.55.01, 5.6 before 05.62.01, and 5.7 before 05.71.01. The SMM module has an SMM call out vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.

References

https://www.insyde.com/security-pledge/sa-2024018/

Details

Source: Mitre, NVD

Published: 2025-06-12

Updated: 2025-06-16

Risk Information

CVSS v2

Base Score: 5.9

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

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00014