CVE-2025-47827

Product

IGEL / IGEL OS

Vulnerability

IGEL OS Use of a Key Past its Expiration Date Vulnerability

Added to KEV

Oct 14, 2025

Remediate by

Nov 4, 2025

Known ransomware use

No

Summary description

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.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827 ; https://nvd.nist.gov/vuln/detail/CVE-2025-47827