Insyde's Security Pledge
Insyde Security Advisory 2022006
|Insyde ID||Advisory Category||Impact of Vulnerability||Severity Rating||Original Date||Last Revised|
Stack overflow vulnerability that allows a local root user to access UEFI DXE driver and execute arbitrary code.
This corresponds to CVE-2021-42059. It affects the DisplayTypeDxe driver. It was reported by the Binarly efiXplorer team. It was fixed in the InsydeH2O kernel: Kernel 5.0 05.08.41, Kernel 5.1: 05.16.41, Kernel 5.2: 05.26.41, Kernel 5.3: 05.35.41, Kernel 5.4: 05.42.20, Kernel 5.5: unaffected.
Insyde Software would like to thank Binarly for reporting this issue.