ClosedPatched

IGEL OS: OS Use of a Key Past its Expiration Date Vulnerability

IGEL OS

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. Added to CISA KEV on 2025-10-14.

Why this severity: CVSS 4.6 (CISA ADP, v3.1); actively exploited (CISA KEV)

Started: Oct 14, 2025
Closed: Oct 14, 2025
CVE: CVE-2025-47827

CISA KEV

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Updated Oct 14, 2025

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Oct 14, 2025
CISA added CVE-2025-47827 to the KEV catalog (due 2025-11-04).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).

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