CVE-2025-47827 · netVigilance record NV25-0200
IGEL OS Use of a Key Past its Expiration Date
past due
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.
CISA deadline 2025-11-04 · passed 10 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
IGEL IGEL OS. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-324.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 10 months ago
Sources
- NVD entry for CVE-2025-47827 nvd.nist.gov/vuln/detail/CVE-2025-47827
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- msrc.microsoft.com msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-47827