CVE-2025-47827
IG
IGEL IGEL OS
IGEL OS Use of a Key Past its Expiration Date Vulnerability
What it is
IGEL OS contains a use of a key past its expiration date vulnerability that allows for Secure Boot bypass. The igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
- msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827
- nvd.nist.gov/vuln/detail/CVE-2025-47827
Description and required action as published by CISA. Full record at NVD.