CVE-2023-39283 Information

Description

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.

Reference

https://www.insyde.com/security-pledge https://www.insyde.com/security-pledge/SA-2023055