CVE-2025-47827 — IGEL OS Use of a Key Past its Expiration Date Vulnerability
CVE-2025-47827: IGEL OS Use of a Key Past its Expiration Date Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | IGEL |
| Product | IGEL OS |
| Date added | 2025-10-14 |
| Due date | 2025-11-04 |
| Ransomware campaign use | Unknown |
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 (CISA)
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-47827
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog