Insyde's Security Pledge
Insyde Security Advisory 2022006
Insyde ID | Advisory Category | Impact of Vulnerability | Severity Rating | Original Date | Last Revised |
INSYDE-SA-2022006 | Software | AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H | 8.2 | 02/01/2022 | 02/01/2022 |
Summary:
Stack overflow vulnerability that allows a local root user to access UEFI DXE driver and execute arbitrary code.
Vulnerability Details
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.
Acknowledgements:
Insyde Software would like to thank Binarly for reporting this issue.
Revision History:
Revision | Date | Description |
1.0 | 02/01/2022 | Initial Release |
- | - | - |