CVE-2024-52879 Information

Description

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 SmmUpdateVariablePropertySmi () is a SMM callback function and it uses StrCmp () to compare variable names. This action may cause a buffer over-read.

Reference

https://www.insyde.com/security-pledge https://www.insyde.com/security-pledge/sa-2024016/